This list of fossilarthropods described in 2018 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids, and other fossil arthropods of every kind that were described during the year 2018, as well as other significant discoveries, and events related to arthropod paleontology occurring in 2018.
General research
A study on extant arthropods (mainly insects and spiders) living around the resinous tree Hymenaea verrucosa in the lowland coastal forest of Madagascar and trapped by the resin produced by this tree species, and on their implications for inferring whether amber records the true past biodiversity of the entire forest, is published by Solórzano Kraemer et al. (2018).[1]
A study on the early evolution of stem and crown-arthropods as indicated by Ediacaran and Cambrian body and trace fossils is published by Daley et al. (2018).[2]
A study on the evolution of ecdysozoan vision, focusing on the evolution of arthropod multi-opsin vision, as indicated by molecular data and data from fossil record, is published by Fleming et al. (2018).[3]
Grimaldiet al. (2018) report biological inclusions (fungi, plants, arachnids and insects) in amber from the PaleogeneChickaloon Formation of Alaska, representing the northernmost deposit of fossiliferous amber from the Cenozoic.[4]
A mantis lacewing larva found in association with two spiders, attached to one of the anterior walking legs of one of the spiders, is described from the Cretaceous amber from Myanmar by Haug, Müller & Haug (2018), who interpret this finding as evidence of palaeo-parasitism.[5]
Arachnids
Research
Review of arachnids known from the Bitterfeld amber (Germany) and a study on their implications for inferring the age of this deposit is published by Dunlop et al. (2018).[6]
Fossil mite "Sejus" bdelloides, originally interpret as a member of Mesostigmata, is reinterpreted as a member of Prostigmata referrable to the group Anystina by Dunlop, Walter & Kontschán (2018).[8]
A study on the body size of fossil mites is published by Sidorchuk (2018).[9]
A male specimen of a tick belonging to the genus Ornithodoros and the subgenus (Alectorobius) is described from the Dominican amber by Estrada-Peña & de la Fuente (2018),[11] who also provide illustrated interpretations intended to support the validity of the identity of the fossils reported by de la Fuente (2003).[12]
A study on the phylogenetic history of spiders, based on molecular data and re-examination of the global fossil record, as well as on the ancestral predatory strategies among different groups of spiders and some of the possible drivers of spider diversification during the Early Cretaceous greenhouse, is published by Shao & Li (2018).[14]
A study on the burrows produced by wolf spiders belonging to the genus Pavocosa, aiming to identify ichnological signatures which may facilitate identification of wolf spider burrows in the fossil record, is published by Mendoza Belmontes, Melchor & Piacentini (2018).[15]
Evidence of a fossilized cobweb, and a possible case of predation of a theridiid spider on a dolichopodid fly, are reported from the Mexican amber by García-Villafuerte (2018).[17]
A spider of uncertain phylogenetic placement, originally assigned to the family Uloboridae, but subsequently reinterpreted as a member of an early branch of the RTA clade.[25] The type species is E. reliquus.
A spider, originally assigned to the family Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al..[32]
A spider, originally assigned to the family Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al..[32]
A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is P. curvata; genus also includes P. fortis and P. paulocurvata.
A spider belonging to the group Leptonetoidea and the new family Protoaraneoididae. The type species is P. bifurcatum; genus also includes P. bipartitum and P. leni. The spelling Praeteraneoides is also used in the publication naming the new genus.
A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is S. curvimetatarsus; genus also includes "Hypotheridiosoma" falcata Wunderlich (2015).
A whip spider belonging to the group Paleoamblypygi and the new family Weygoldtinidae. The type species is "Graeophonus" scudderi Pocock (1911); genus also includes "Graeophonus" anglicus Pocock (1911).
Redescription of Palaeopalaemon newberryi and a study on the phylogenetic relationships and life habits of this species is published by Jones et al. (2018).[39]
A large-sized (12.9 mm maximum length) right valve of a marine ostracod is described from the Cretaceous amber from Myanmar by Xing et al. (2018).[41]
A study evaluating how sexual selection related to species extinction in fossil cytheroid ostracods is published by Fernandes Martins et al. (2018), who report that species with more pronounced sexual dimorphism had higher estimated extinction rates.[42]
An ostracod fauna including four species belonging to the suborder Darwinulocopina is described from the Lower Jurassic (Hettangian) Whitmore Point Member of the Moenave Formation (Arizona and Utah, United States) by Antonietto et al. (2018), potentially representing the last episode of darwinulocopine dominance in nonmarine environments before the Late Jurassic diversification of the cypridocopine and cytherocopine modern ostracods.[43]
Oxygen-isotope analysis of a whale barnacle specimen collected from early Pleistocene deposits of Apulia (Italy) is published by Collareta et al. (2018), who interpret their findings as indicating that the barnacle lived on a cetacean that seasonally migrated towards high-latitude areas outside the Mediterranean.[44]
A crab belonging to the family Prosopidae. Klompmaker et al. (2020) considered it to be a junior synonym of Europrosopon aculeatum (von Meyer, 1857).[78]
A member of Podocopa belonging to the family Bairdiidae. Originally tentatively assigned to the genus Anchistrocheles, but subsequently transferred to the genus Histriabairdia by Forel & Grădinaru (2020).[94]
A member of Hollinocopida belonging to the family Piretellidae. The type species is D. hippocrepicus; genus also includes new species D. claviformis and D. costaventralis.
Frontal auxiliary impressions (muscle scars on the glabella) are described in Mesolenellus hyperboreus from Cambrian Stage 4 strata of North Greenland by Lerosey-Aubril & Peel (2018), providing new information on the evolution of a pouch-like digestive organ with powerful extrinsic muscles (i.e. a crop) in trilobites.[124]
A study assessing the morphological differences within and among three populations of Oryctocephalus indicus from the United States, Siberia and China, using a new method of analysing small morphological features, is published by Esteve et al. (2018).[126]
A study on early post-embryonic developmental stages of the Cambrian trilobite Ellipsostrenua granulosa is published by Laibl, Cederström & Ahlberg (2018).[127]
A study on the postembryonic development of Dalmanitina, based on a large sample of specimens from the Upper Ordovician Prague Basin, is published by Drage, Laibl & Budil (2018).[130]
A study on the phylogenetic relationships of species belonging to the genus Metacryphaeus is published by Carbonaro et al. (2018), who also perform a palaeobiogeographic analysis for the distribution of the genus.[132]
A member of the family Phillipsiidae belonging to the subfamily Weaniinae. The type species is "Carbonocoryphe (Winterbergia)" amphiro Hahn, Hahn & Müller (1996); genus also includes "Carbonocoryphe (Winterbergia)" sporada Hahn, Hahn & Müller (2007).
A member of the family Phillipsiidae belonging to the subfamily Archegoninae. The type species is "Phillipsia" granulifera Holzapfel (1889); genus also includes E. aithyia (Hahn, Hahn & Müller, 2001), E. bathapoikos (Hahn, Hahn & Müller, 1998) and possibly "Proliobole" krambergensis Hahn, Hahn & Müller (1996).
A member of the subfamily Cystispininae. The type species is "Tawstockia" martini Müller (2004); genus also includes new species L. sauerlandica and L. weberi.
The type species is "Illaenus" excellens Holm (1886); genus also includes Neoillaenus atavus (Eichwald, 1857), N. oblongatus (Angelin, 1854), N. kukersianus (Holm, 1886), N. itferensis (Holm, 1886) and N. praecurriens (Jaanusson, 1957).
A member of the subfamily Cystispininae. The type species is "Xenadoche" kalliroe Hahn, Hahn & Müller (1996); genus also includes X. agenor (Hahn, Hahn & Müller, 2000), X. elissa (Hahn, Hahn & Müller, 2000) and X. medusa (Hahn, Hahn & Müller, 1999), as well as new species X. xenios.
Other arthropods
Research
A study on the external and internal anatomy and possible lifestyle of Waptia fieldensis, based on revision of all available specimens available from the repositories in the National Museum of Natural History and the Royal Ontario Museum, is published by Vannier et al. (2018).[156]
A study on the lateral tail flexibility in the eurypteridSlimonia acuminata published by Persons & Acorn (2017)[157] is criticized by Lamsdell, Marshall & Briggs (2018);[158] Persons (2018) defends his original conclusions on the basis of a study of additional eurypterid specimens.[159]
A study on the mechanical performance of the feeding appendages of Sidneyia inexpectans, based on comparisons with extant Atlantic horseshoe crab, is published by Bicknell et al. (2018).[161]
Sánchez-García et al. (2018) report the presence of probable male clasping organs for courtship and securing the female during copulation in the springtailPseudosminthurides stoechus and an aggregation of up to 45 specimens of the springtail Proisotoma communis from the Cretaceous amber from Spain.[163]
Closely associated arthropleurid trackways, interpreted as evidence of arthropleurid mating behaviour, are described from the Lower Carboniferous of Fife (Scotland, United Kingdom) by Whyte (2018).[164]
First known millipede fossil material from Central America (disarticulated trunk segments of members of the genus Nyssodesmus from the late Pleistocene of Costa Rica) is described by Laurito & Valerio (2018).[166]
A member of Thylacocephala (a group of arthropods of uncertain phylogenetic placement, possibly crustaceans). Originally described as a species of Concavicaris; Broda, Rak & Hegna (2020) made it the type species of a separate genus Paraconcavicaris.[172]
Probably a xiphosuran (order Xiphosura) belonging to the suborder Xiphosurida and the infraorder Belinurina. Genus includes new species X. khakassicus.
^Sidorchuk, Ekaterina A.; Khaustov, Alexander A. (2018). "A parasite without host: The first fossil pterygosomatid mite (Acari: Prostigmata: Pterygosomatidae) from French Lower Cretaceous amber". Cretaceous Research. 91: 131–139. Bibcode:2018CrRes..91..131S. doi:10.1016/j.cretres.2018.05.012. S2CID134079013.
^Dunlop, Jason A.; Walter, David E.; Kontschán, Jenő (2018). "A putative fossil sejid mite (Parasitiformes: Mesostigmata) in Baltic amber re-identified as an anystine (Acariformes: Prostigmata)". Acarologia. 58 (3): 665–672. doi:10.24349/acarologia/20184263. S2CID51943889.
^Estrada-Peña, Agustín; de la Fuente, José (2018). "The fossil record and the origin of ticks revisited". Experimental and Applied Acarology. 75 (2): 255–261. doi:10.1007/s10493-018-0261-z. PMID29721759. S2CID19200746.
^de la Fuente, José (2003). "The fossil record and the origin of ticks (Acari: Parasitiformes: Ixodida)". Experimental and Applied Acarology. 29 (3–4): 331–344. doi:10.1023/A:1025824702816. PMID14635818. S2CID11271627.
^Magalhaes, Ivan L.F. (2018). "A new, relictual Antilloides from Mexican caves: first mainland record of the genus and revised placement of the fossil Misionella didicostae (Araneae: Filistatidae)". Journal of Arachnology. 46 (2): 240–248. doi:10.1636/JoA-S-17-037.1. hdl:11336/58835. S2CID92098016.
^ abcdMarta Konikiewicz; Joanna Mąkol (2018). "Insight into fossil fauna of terrestrial Parasitengona mites (Trombidiformes: Prostigmata) – The first representatives of Erythraeina Welbourn, 1991 and Trombidiina Welbourn, 1991 in Burmese amber". Cretaceous Research. 89: 60–74. Bibcode:2018CrRes..89...60K. doi:10.1016/j.cretres.2018.02.017. S2CID133679393.
^Wilson R. Lourenço (2018). "Further data on the genus Chaerilobuthus Lourenço et Beigel, 2011 (Scorpiones: Chaerilobuthidae) from Cretaceous Burmite and description of a new species". Arachnida – Rivista Aracnologica Italiana. 19: 2–13.
^Wilson R. Lourenço (2018). "A new remarkable scorpion genus and species from Cretaceous Burmese amber (Scorpiones: Protoischnuridae)". Arachnida – Rivista Aracnologica Italiana. 18: 2–14.
^ abJoanna Mąkol; Marta Konikiewicz; Birgit Klug (2018). "Next ones to fill the gap – first tanaupodids (Trombidiformes: Prostigmata, Tanaupodidae) from Baltic amber with notes on extant genera and species". Systematic and Applied Acarology. 23 (11): 2129–2146. doi:10.11158/saa.23.11.6. S2CID92576159.
^Lidia Chitimia-Dobler; Timo Pfeffer; Jason A. Dunlop (2018). "Haemaphysalis cretacea a nymph of a new species of hard tick in Burmese amber". Parasitology. 145 (11): 1440–1451. doi:10.1017/S0031182018000537. PMID29642954. S2CID4805512.
^Wilson R. Lourenço (2018). "First record for an Uropygi (Theliphonidae Lucas, 1835) from Chiapas amber, Mexico". Arachnida – Rivista Aracnologica Italiana. 20: 2–12.
^Wilson R. Lourenço (2018). "A further new species of Palaeoburmesebuthus Lourenço, 2002 from burmite (Scorpiones: Palaeoburmesebuthidae)". Revista Ibérica de Aracnología. 32: 51–54.
^ abIvan L. F. Magalhaes; Guilherme H. F. Azevedo; Peter Michalik; Martín J. Ramírez (2020). "The fossil record of spiders revisited: implications for calibrating trees and evidence for a major faunal turnover since the Mesozoic". Biological Reviews. 95 (1): 184–217. doi:10.1111/brv.12559. PMID31713947.
^Ekaterina A. Sidorchuk; Andre V. Bochkov; Thomas Weiterschan; Olga F. Chernova (2018). "A case of mite-on-mammal ectoparasitism from Eocene Baltic amber (Acari: Prostigmata: Myobiidae and Mammalia: Erinaceomorpha)". Journal of Systematic Palaeontology. 17 (4): 331–347. doi:10.1080/14772019.2017.1414889. S2CID89793087.
^Ekaterina A. Sidorchuk; Alexander A. Khaustov (2018). "Two Eocene species of peacock mites (Acari: Tetranychoidea: Tuckerellidae)". Acarologia. 58 (1): 99–115. doi:10.24349/acarologia/20184228. S2CID89882479.
^Mark S. Harvey; Julia G. Cosgrove; Danilo Harms; Paul A. Selden; Chungkun Shih; Chun-Chieh Wang (2018). "The oldest chthonioid pseudoscorpion Arachnida: Pseudoscorpiones: Chthonioidea: Chthoniidae: A new genus and species from mid-Cretaceous Burmese amber". Zoologischer Anzeiger. 273: 102–111. Bibcode:2018ZooAn.273..102H. doi:10.1016/j.jcz.2017.12.009.
^Alberto Collareta; Eleonora Regattieri; Giovanni Zanchetta; Olivier Lambert; Rita Catanzariti; Mark Bosselaers; Pablo Covelo; Angelo Varola; Giovanni Bianucci (2018). "New insights on ancient cetacean movement patterns from oxygenisotope analyses of a Mediterranean Pleistocene whale barnacle". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 288 (2): 143–159. Bibcode:2018NJGPA.288..143C. doi:10.1127/njgpa/2018/0729.
^ abcdeCarrie E. Schweitzer; Rodney M. Feldmann; Iuliana Lazăr; Günter Schweigert; Ovidiu D. Franţescu (2018). "Decapoda (Anomura; Brachyura) from the Late Jurassic of the Carpathians, Romania". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 288 (3): 307–341. Bibcode:2018NJGPA.288..307S. doi:10.1127/njgpa/2018/0744. S2CID134049407.
^Àlex Ossó (2018). "A new species of Aethra (Decapoda: Brachyura: Aethridae) from the early Serravallian (middle Miocene) of the Medobory Hills (Ukraine)". Zootaxa. 4450 (5): 585–593. doi:10.11646/zootaxa.4450.5.6. PMID30314256. S2CID52975048.
^Àlex Ossó; Carlos Hammann-Yelo (2021). "The Messinian decapod assemblage of Sierra de Hurchillo (Alicante, Spain) and the unexpected presence of Aethra (Decapoda: Brachyura: Aethridae)". Bulletin of the Mizunami Fossil Museum. 48: 107–117. doi:10.50897/bmfm.48.0_107.
^ abcdefghijklmnopqrstuvwxyzaaabacadaeafagahClaudio Beschin; Alessandra Busulini; Eliana Fornaciari; Cesare Andrea Papazzoni; Giuliano Tessier (2018). "La fauna di crostacei associati a coralli dell'Eocene superiore di Campolongo di Val Liona (Monti Berici, Vicenza, Italia nordorientale)". Bollettino del Museo di Storia Naturale di Venezia. 69: 129–215.
^Antonio De Angeli (2018). "Bericocarcinus alontensis n. gen., n. sp. (Brachyura, Portunoidea, Macropipidae) nuovo crostaceo dell'Eocene superiore di Alonte (Monti Berici, Vicenza, Italia settentrionale)". Studi e Ricerche – Associazione Amici del Museo – Museo Civico "G. Zannato" Montecchio Maggiore (Vicenza). 25: 33–36.
^ abNorbert Winkler (2018). "Two new species of shrimps (Crustacea: Decapoda: Caridea) from the Solnhofen Lithographic Limestones (Upper Jurassic, southern Germany)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 287 (3): 317–333. Bibcode:2018NJGPA.287..317W. doi:10.1127/njgpa/2018/0719.
^Torrey Nyborg; Giovanni Pasini; Alessandro Garassino (2018). "A new leucosiid crab (Decapoda, Brachyura) from the Plio-Pleistocene San Diego Formation, southern California, U.S.A.". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 289 (1): 17–22. Bibcode:2018NJGPA.289...17N. doi:10.1127/njgpa/2018/0746. S2CID134135485.
^Matúš Hyžný; Àlex Ossó; Herbert Summesberger; Christian Neumann; John W.M. Jagt; Francisco J. Vega (2018). "New Late Cretaceous records of Cenomanocarcinus (Decapoda, Brachyura, Palaeocorystoidea) from Austria and Germany". Cretaceous Research. 87: 218–225. Bibcode:2018CrRes..87..218H. doi:10.1016/j.cretres.2017.05.016. S2CID134915191.
^Markus Poschmann; Alexandra Bergmann; Gabriele Kühl (2018). "Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south-western Germany)". Papers in Palaeontology. 4 (2): 277–292. Bibcode:2018PPal....4..277P. doi:10.1002/spp2.1106. S2CID91024583.
^Ninon Robin; Giuseppe Marramà; Ronald Vonk; Jürgen Kriwet; Giorgio Carnevale (2018). "Eocene isopods on electric rays: tracking ancient biological interactions from a complex fossil record". Palaeontology. 62 (2): 287–303. doi:10.1111/pala.12398. S2CID134229284.
^ abcOvidiu D. Frantescu; Rodney M. Feldmann; Carrie E. Schweitzer; Iuliana Lazăr; Marius Stoica (2018). "New lobsters and lobster-like decapods (Crustacea) from the Jurassic and Cretaceous of Romania". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 287 (1): 45–60. Bibcode:2018NJGPA.287...45F. doi:10.1127/njgpa/2018/0705.
^ abRené H.B. Fraaije; John W.M. Jagt; Barry W.M. Bakel; Dale M. Tshudy (2018). "New lobsters (Decapoda, Nephropoidea) from the Cretaceous–Paleogene section of the Middle Vistula valley, east-central Poland". Acta Geologica Polonica. 68 (4): 503–509. doi:10.1515/agp-2018-0014 (inactive 4 July 2025).{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)
^ abRichard W. Heard; María de Lourdes Serrano-Sánchez; Francisco J. Vega (2018). "Early Miocene Tanaidacea (Crustacea: Malacostraca) preserved in amber from Chiapas, Mexico, with the preliminary descriptions of new taxa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 288 (1): 107–120. Bibcode:2018NJGPA.288..107H. doi:10.1127/njgpa/2018/0726.
^ abPedro Artal; Barry van Bakel (2018). "Carpiliids (Crustacea, Decapoda) from the Ypresian (Eocene) of the Northeast of Spain". Scripta Musei Geologici Seminarii Barcinonensis [Ser. palaeontologica]. XXII: 20–36.
^ abPedro Artal; Barry van Bakel (2018). "Aethrids and panopeids (Crustacea, Decapoda) from the Ypresian of both slopes of the Pyrenees (France, Spain)". Scripta Musei Geologici Seminarii Barcinonensis [Ser. palaeontologica]. XXII: 1–19.
^Dale Tshudy; Matúš Hyžný; Alfréd Dulai; John W.M. Jagt (2018). "Appraisal of the fossil record of Homarus (nephropid lobster), with description of a new species from the upper Oligocene of Hungary and remarks on the status of Hoploparia". Journal of Paleontology. 92 (2): 170–182. Bibcode:2018JPal...92..170T. doi:10.1017/jpa.2017.65. S2CID90183776.
^Francisco J. Vega; Sylvain Charbonnier; Luis E. Gómez-Pérez; Marco A. Coutiño; Gerardo Carbot-Chanona; Vladimir de Araújo Távora; María de Lourdes Serrano-Sánchez; Dominique Téodori; Oscar Hernández-Monzón (2018). "Review and additions to the Maastrichtian (Late Cretaceous) Crustacea from Chiapas, Mexico". Journal of South American Earth Sciences. 85: 325–344. Bibcode:2018JSAES..85..325V. doi:10.1016/j.jsames.2018.05.017. S2CID133954397.
^Loris Ceccon; Antonio De Angeli (2018). "Lessiniamathia bolcense n. gen., n. sp., nuovo crostaceo Epialtidae dell'Eocene inferiore dei Monti Lessini orientali (Verona, Italia nordorientale)". Lavori – Società Veneziana di Scienze Naturali. 43: 147–154.
^Claudio Beschin; Andrea Checchi (2018). "Nuovo genere e nuova specie di Carcinidae (Crustacea, Decapoda, Portunoidea) nell'Eocene dei Monti Lessini (Italia nordorientale)". Studi e Ricerche – Associazione Amici del Museo – Museo Civico "G. Zannato" Montecchio Maggiore (Vicenza). 25: 27–31.
^George Poinar Jr. (2018). "A new genus of terrestrial isopods (Crustacea: Oniscidea: Armadillidae) in Myanmar amber". Historical Biology: An International Journal of Paleobiology. 32 (5): 583–588. doi:10.1080/08912963.2018.1509964. S2CID91494413.
^Francisco J. Vega; Shane T. Ahyong; Belinda Espinosa; José Flores-Ventura; Laura Luna; Arturo H. González-González (2018). "Oldest record of Mathildellidae (Crustacea: Decapoda: Goneplacoidea) associated with Retroplumidae from the Upper Cretaceous of NE Mexico". Journal of South American Earth Sciences. 82: 62–75. Bibcode:2018JSAES..82...62V. doi:10.1016/j.jsames.2017.12.002.
^Antonio De Angeli; Riccardo Alberti (2018). "Il genere Pseudodromilites Beurlen, 1928 (Crustacea, Brachyura, Dromiacea) nell'Eocene del Veneto, con la descrizione di una nuova specie)". Lavori – Società Veneziana di Scienze Naturali. 43: 155–163.
^Ninon Robin; Barry W.M. Van Bakel; Marie-Madeleine Blanc-Valleron; Pierre Y. Noël; Laurent Lemaire; Sylvain Charbonnier (2018). "First fossil crabs (Crustacea, Decapoda, Brachyura) from the Kerguelen Islands (Miocene) with exceptionally preserved gills". Journal of Paleontology. 92 (3): 466–477. Bibcode:2018JPal...92..466R. doi:10.1017/jpa.2017.129. S2CID134500669.
^ abNeil D. L. Clark; Randall F. Miller; Andrew J. Ross (2018). "The distribution of Schramocaris (Eumalacostraca, Crustacea) along the northwestern coast of the Rheic Ocean during the Lower Carboniferous". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 107 (2–3): 91–98. doi:10.1017/S1755691017000159. S2CID134033668.
^Antônio Álamo Feitosa Saraiva; Allysson Pontes Pinheiro; William Santana (2018). "A remarkable new genus and species of the planktonic shrimp family Luciferidae (Crustacea, Decapoda) from the Cretaceous (Aptian/Albian) of the Araripe Sedimentary Basin, Brazil". Journal of Paleontology. 92 (3): 459–465. Bibcode:2018JPal...92..459S. doi:10.1017/jpa.2018.5. S2CID134043048.
^ abcdefghijkMarie-Béatrice Forel; Eugen Grădinaru (2018). "First report of ostracods (Crustacea) associated with Bithynian (Anisian, Middle Triassic) Tubiphytes-microbial reef in the North Dobrogean Orogen (Romania)". Papers in Palaeontology. 4 (2): 211–244. Bibcode:2018PPal....4..211F. doi:10.1002/spp2.1103. S2CID135050228.
^ abcdefghMoriaki Yasuhara; Yuanyuan Hong; Skye Yunshu Tian; Wing Ki Chong; Hisayo Okahashi; Kate Littler; Laura Cotton (2018). "Eocene shallow-marine ostracods from Madagascar: southern end of the Tethys?". Journal of Systematic Palaeontology. 17 (9): 705–757. doi:10.1080/14772019.2018.1453555. S2CID90531158.
^ abcAmanda Moreira Leite; Dermeval Aparecido Do Carmo; Caio Bussaglia Ress; Murilo Pessoa; Guilherme Miranda Caixeta; Matheus Denezine; Rodrigo Rodrigues Adorno; Lucas Silveira Antonietto (2018). "Taxonomy of limnic Ostracoda (Crustacea) from the Quiricó Formation, Lower Cretaceous, São Francisco basin, Minas Gerais State, Southeast Brazil". Journal of Paleontology. 92 (4): 661–680. Bibcode:2018JPal...92..661L. doi:10.1017/jpa.2018.1. S2CID135458331.
^ abcAriany de Jesus e Sousa; Ismar de Souza Carvalho; Elizabete Pedrão Ferreira (2018). "Western Gondwana non-marine ostracods from Early Cretaceous low-latitude ephemeral lake, northeastern Brazil". Journal of South American Earth Sciences. 86: 23–37. Bibcode:2018JSAES..86...23S. doi:10.1016/j.jsames.2018.06.001. S2CID134163191.
^ abcdefgCecília de Lima Barros; Enelise Katia Piovesan; Sonia Maria Oliveira Agostinho (2018). "Cretaceous-Paleogene ostracods from the Paraíba Basin, northeastern Brazil". Journal of South American Earth Sciences. 83: 117–136. Bibcode:2018JSAES..83..117D. doi:10.1016/j.jsames.2018.02.001.
^ abcNatalia Dykan; Oleksandr Kovalchuk; Kostiantyn Dykan; Eugene Gurov; Jiřina Dašková; Tomáš Přikryl (2018). "New data on Paleocene-Eocene fauna (gastropods, ostracods, fishes) and palynoflora of the Boltysh impact structure (Ukraine) with biostratigraphical and paleoecological inferences". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 287 (2): 213–239. Bibcode:2018NJGPA.287..213D. doi:10.1127/njgpa/2018/0714.
^Byung-Do Choi; Ya-Qiong Wang; Min Huh (2018). "Cypridea species (Crustacea, Ostracoda) from the Lower Cretaceous Jinju Formation of the Gyeongsang Basin, South Korea". Palaeoworld. 27 (3): 382–391. doi:10.1016/j.palwor.2018.03.005. S2CID135191249.
^Tünde Cséfán; Emőke Tóth (2018). "Mid-Cretaceous/Albian (Cretaceous) ostracod assemblages from NW Hungary reflecting deep marine, nearshore and non-marine environments". Annales de Paléontologie. 104 (4): 267–289. Bibcode:2018AnPal.104..267C. doi:10.1016/j.annpal.2018.09.003. S2CID133861087.
^ abcZohreh Khosravi; Mohammad Reza Vaziri; Ahmad Lotfabad Arab (2018). "An examination on the ostracod genus Cytherelloidea from the Aptian deposits of west and northwest of Kerman, Iran". Journal of African Earth Sciences. 141: 60–69. Bibcode:2018JAfES.141...60K. doi:10.1016/j.jafrearsci.2018.01.001. S2CID134947483.
^M. A. Naumcheva (2018). "Darwinula vetusta nom. nov. – a new replacement name for the preoccupied specific name Darwinula mera Starozhilova, 1967 (Ostracoda)". Paleontological Journal. 52 (2): 219. Bibcode:2018PalJ...52..219N. doi:10.1134/S0031030118020065. S2CID90782870.
^ abMarco Spadi; Elsa Gliozzi; Maria Chiara Medici (2018). "Piacenzian–Gelasian non-marine ostracods from the Dunarobba Fossil Forest (Tiberino Basin, Umbria, central Italy)". Papers in Palaeontology. 5 (3): 391–413. doi:10.1002/spp2.1240. S2CID134977212.
^ abcdEmőke Tóth; Tünde Cséfán (2018). "Rare myodocopid ostracods from Mesozoic sections of Hungary: summary, revision and description of new taxa". Zootaxa. 4374 (3): 350–374. doi:10.11646/zootaxa.4374.3.2. PMID29689805.
^ abGengo Tanaka; Yasuhisa Henmi; Toshifumi Komatsu; Koji Hirose; Hiroaki Ugai; Shigehiro Kawano; Haruyoshi Maeda (2018). "First discovery of Eocene coastal-estuarine ostracods from Japan, with the geological history of the migration of estuarine genera in the Far East". Geological Magazine. 155 (8): 1742–1760. Bibcode:2018GeoM..155.1742T. doi:10.1017/S0016756817000693. S2CID134136152.
^ abGerd Geyer; Klaus-Peter Kelber (2018). "Spinicaudata ("Conchostraca," Crustacea) from the Middle Keuper (Upper Triassic) of the southern Germanic Basin, with a review of Carnian–Norian taxa and suggested biozones". PalZ. 92 (1): 1–34. Bibcode:2018PalZ...92....1G. doi:10.1007/s12542-017-0363-7. S2CID134410395.
^Tomáš Kočí; Radek Vodrážka; Martina Kočová Veselská; John Buckeridge (2018). "An intertidal balanomorph Hexaminius venerai sp. nov. (Australobalanidae) colonizing a log of Podacarpoxylon from the La Meseta Formation (Eocene), Seymour Island, Antarctica: a glimpse on Antarctic antiquity". Historical Biology: An International Journal of Paleobiology. 31 (10): 1341–1349. doi:10.1080/08912963.2018.1452206. S2CID90609581.
^Jonathas S. Bittencourt; Rosemarie Rohn; Oscar F. Gallego; Mateo D. Monferran; Alexandre Uhlein (2018). "The morphology and systematics of the clam shrimp Platyestheria gen. nov. abaetensis (Cardoso) (Crustacea, Spinicaudata) from the Lower Cretaceous of the Sanfranciscana Basin, southeast Brazil". Cretaceous Research. 91: 274–286. Bibcode:2018CrRes..91..274B. doi:10.1016/j.cretres.2018.06.016. hdl:11449/176586. S2CID133928377.
^ abEduard V. Mychko; Alexander S. Alekseev (2018). "Two new genera of Cyclida (Crustacea: Maxillopoda: Branchiura) from the Cisuralian (Lower Permian) of Southern Urals (Russia)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 289 (1): 23–34. Bibcode:2018NJGPA.289...23M. doi:10.1127/njgpa/2018/0747. S2CID134357399.
^Rudy Lerosey-Aubril; John S. Peel (2018). "Gut evolution in early Cambrian trilobites and the origin of predation on infaunal macroinvertebrates: evidence from muscle scars in Mesolenellus". Palaeontology. 61 (5): 747–760. Bibcode:2018Palgy..61..747L. doi:10.1111/pala.12365. S2CID134357475.
^Lukáš Laibl; Peter Cederström; Per Ahlberg (2018). "Early post-embryonic development in Ellipsostrenua (Trilobita, Cambrian, Sweden) and the developmental patterns in Ellipsocephaloidea". Journal of Paleontology. 92 (6): 1018–1027. Bibcode:2018JPal...92.1018L. doi:10.1017/jpa.2018.25. S2CID134901978.
^Tae-Yoon S. Park (2018). "Ontogeny of the two co-occurring middle Furongian (late Cambrian) shumardiid trilobites and the protaspid morphology of shumardiids". Geological Magazine. 155 (6): 1247–1262. Bibcode:2018GeoM..155.1247P. doi:10.1017/S0016756817000012. S2CID132574865.
^Harriet B. Drage; Lukáš Laibl; Petr Budil (2018). "Postembryonic development of Dalmanitina, and the evolution of facial suture fusion in Phacopina". Paleobiology. 44 (4): 638–659. Bibcode:2018Pbio...44..638D. doi:10.1017/pab.2018.31. S2CID91772675.
^ abcdPatrick M. Smith; John R. Paterson; Glenn A. Brock (2018). "Trilobites and agnostids from the Goyder Formation (Cambrian Series 3, Guzhangian; Mindyallan), Amadeus Basin, central Australia". Zootaxa. 4396 (1): 1–67. doi:10.11646/zootaxa.4396.1.1. PMID29690342.
^ abcdefghijklmnopqrstuvwxyzaaPeter Müller; Gerhard Hahn (2018). "Die Trilobiten der Erdbach-Kalke von Erdbach (Hessen) und die der "Phillipsien-Bank" im Raum Warstein (Nordrhein-Westfalen), sowie eine Revision der Cystispininae (mittleres Mississippium)". Abhandlungen der Senckenberg Gesellschaft für Naturforschung. 574: 1–237. ISBN978-3510614134.
^Facundo René Meroi Arcerito; Beatriz G. Waisfeld; Norberto Emilio Vaccari; Diego F. Muñoz (2018). "High resolution trilobite biostratigraphy for the early late Tremadocian (Tr2) interval (Early Ordovician) Santa Rosita Formation, Argentine Cordillera Oriental". Ameghiniana. 55 (5): 531–553. Bibcode:2018Amegh..55..531A. doi:10.5710/AMGH.19.03.2018.3171. hdl:11336/88319. S2CID133647464.
^ abCatherine Crônier; Abdelkader Abbache; Ahmed Yacine Khaldi; Morgane Oudot; Sébastien Maillet; Abdelkader Ouali Mehadji (2018). "Middle Devonian trilobites of the Saoura Valley, Algeria: insights into their biodiversity and Moroccan affinities". Geological Magazine. 155 (4): 811–840. Bibcode:2018GeoM..155..811C. doi:10.1017/S001675681600100X. S2CID131944424.
^ abCatherine Crônier; Morgane Oudot; Christian Klug; Kenneth De Baets (2018). "Trilobites from the Red Fauna (latest Emsian, Devonian) of Hamar Laghdad, Morocco and their biodiversity". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 290 (1–3): 241–276. Bibcode:2018NJGPA.290..241C. doi:10.1127/njgpa/2018/0781. S2CID134151147.
^Robert G. Johnson (2024). "Devonian Harpetidae from the central and eastern Anti–Atlas, Morocco". Zootaxa. 5450 (1): 1–185. doi:10.11646/zootaxa.5450.1.1. PMID39646233.
^Mirco Alberti (2018). "Leonaspis bassei n. sp. (Trilobita, Odontopleuridae) aus dem basalen Rupbach-Schiefer (Ober-Emsium; Rhenoherzynikum)". Mainzer Geowissenschaftliche Mitteilungen. 46: 7–22.
^Shan-Chi Peng; Loren E. Babcock; Xue-Jian Zhu; Tao Dai (2018). "A new oryctocephalid trilobite from the Balang Formation (Cambrian Stage 4) of northwestern Hunan, South China, with remarks on the classification of oryctocephalids". Palaeoworld. 27 (3): 322–333. doi:10.1016/j.palwor.2018.04.005. S2CID135107703.
^ abRaimund Feist; Dieter Weyer (2018). "The proetid trilobite Perliproetus, a marker of the late Famennian in Central Europe and North Africa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 287 (2): 195–206. Bibcode:2018NJGPA.287..195F. doi:10.1127/njgpa/2018/0712.
^ abcFrederick A. Sundberg (2018). "Trilobite biostratigraphy of the Cambrian 5 and Drumian stages, Series 3 (Laurentian Delamaran, Topazan, and Marjuman stages, Lincolnian Series) of the lower Emigrant Formation at Clayton Ridge, Esmeralda County, Nevada". Journal of Paleontology. 92 (S76): 1–44. Bibcode:2018JPal...92S...1S. doi:10.1017/jpa.2017.130. S2CID135332276.
^Christopher Stocker; Gengo Tanaka; Derek J. Siveter; Philip Lane; Yukiyasu Tsutsumi; Toshifumi Komatsu; Simon Wallis; Tatsuo Oji; David J. Siveter; Mark Williams (2018). "Biogeographical and biostratigraphical significance of a new Middle Devonian phacopid trilobite from the Naidaijin Formation, Kurosegawa Terrane, Kyushu, southwest Japan". Paleontological Research. 22 (1): 75–90. Bibcode:2018PalRe..22...75S. doi:10.2517/2017PR011. S2CID135265103.
^James C. Lamsdell; David J. Marshall; Derek E. G. Briggs (2018). "Hit and Miss: (A Comment on Persons and Acorn, "A Sea Scorpion's Strike: New Evidence of Extreme Lateral Flexibility in the Opisthosoma of Eurypterids")". The American Naturalist. 191 (3): 352–354. Bibcode:2018ANat..191..352L. doi:10.1086/695955. S2CID90575897.
^W. Scott Persons IV (2018). "Additional Specimens and a Critical Consideration of Eurypterid Opisthosoma Flexibility: (A Reply to Lamsdell et al.)". The American Naturalist. 191 (3): 355–358. Bibcode:2018ANat..191..355P. doi:10.1086/695956. S2CID90023458.
^Agata Pielowska; Elżbieta Sontag; Ryszard Szadziewski (2018). "Haematophagous arthropods in Baltic Amber". Annales Zoologici. 68 (2): 237–249. doi:10.3161/00034541ANZ2018.68.2.003. S2CID89844986.
^E. S. Shpinev; A. N. Filimonov (2018). "A new record of Adelophthalmus (Eurypterida, Chelicerata) from the Devonian of the South Minusinsk Depression". Paleontological Journal. 52 (13): 1553–1560. Bibcode:2018PalJ...52.1553S. doi:10.1134/S0031030118130129. S2CID91741388.
^Štěpán Rak; Krzysztof Broda; Tomáš Kumpan (2018). "First Carboniferous thylacocephalan from Europe and its significance for the understanding of functional morphology of Concavicarididae Schram, 2014". Crustaceana. 91 (3): 265–285. Bibcode:2018Crust..91..265R. doi:10.1163/15685403-00003771.
^Krzysztof Broda; Štěpán Rak; Thomas A. Hegna (2020). "Do the clothes make the thylacocephalan? A detailed study of Concavicarididae and Protozoeidae (?Crustacea, Thylacocephala) carapace micro-ornamentation". Journal of Systematic Palaeontology. 18 (11): 911–930. Bibcode:2020JSPal..18..911B. doi:10.1080/14772019.2019.1695683. S2CID214125812.
^Derek J. Siveter; Richard A. Fortey; Xuejian Zhu; Zhiyi Zhou (2018). "A three-dimensionally preserved aglaspidid euarthropod with a calcitic cuticle from the Ordovician of China". Geological Magazine. 155 (7): 1427–1441. Bibcode:2018GeoM..155.1427S. doi:10.1017/S0016756817000309. S2CID131950272.
^Dmitry P. Plax; James C. Lamsdell; Matthew B. Vrazo; Dmitry V. Barbikov (2018). "A new genus of eurypterid (Chelicerata, Eurypterida) from the Upper Devonian salt deposits of Belarus". Journal of Paleontology. 92 (5): 838–849. Bibcode:2018JPal...92..838P. doi:10.1017/jpa.2018.11. S2CID134054742.
^Leif Moritz; Thomas Wesener (2018). "Symphylella patrickmuelleri sp. nov. (Myriapoda: Symphyla): The oldest known Symphyla and first fossil record of Scolopendrellidae from Cretaceous Burmese amber". Cretaceous Research. 84: 258–263. Bibcode:2018CrRes..84..258M. doi:10.1016/j.cretres.2017.11.018.
^Andrew J. Ross; Gregory D. Edgecombe; Neil D. L. Clark; Carys E. Bennett; Vicen Carrió; Rubén Contreras-Izquierdo; Bill Crighton (2018). "A new terrestrial millipede fauna of earliest Carboniferous (Tournaisian) age from southeastern Scotland helps fill 'Romer's Gap'". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 108 (1): 99–110. doi:10.1017/S1755691018000142. S2CID135183999.