Turtle

Turtles Temporal range: Late Jurassic – Present,[1] 157–0 Ma PreЄ Є O S D C P T J K Pg N
Green sea turtle (Chelonia mydas)
Scientific classification
Kinrick:	Animalia
Phylum:	Chordata
Clade:	Testudinata
Order:	Testudines Batsch, 1788 [2]
Subgroups[1]
Cryptodira Pleurodira an see text
Diversity
14 extant families wi ca. 300 species
blue: sea turtles, black: land turtles

Turtles are reptiles o the order Testudines (or Chelonii^[3]) chairacterised bi a special banir or cartilaginous shell developed frae thair ribs an actin as a shield.^[4]

Citit soorces

• Joyce, Walter G. (2007). "Phylogenetic relationships of Mesozoic turtles" (PDF). Bulletin of the Peabody Museum of Natural History. 48 (1): 3–102. doi:10.3374/0079-032x(2007)48[3:promt]2.0.co;2. Archived frae the original (PDF) on 6 Juin 2013. Retrieved 14 Februar 2017.CS1 maint: ref=harv (link)
• Dubois, A.; Bour, R. (2010). "The distinction between family-series and class-series nomina in zoological nomenclature, with emphasis on the nomina created by Batsch (1788, 1789) and on the higher nomenclature of turtles" (PDF). Bonn zoological Bulletin. 57 (2): 149–171. ISSN 0006-7172. Archived frae the original (PDF) on 1 September 2014. Retrieved 14 Februar 2017.CS1 maint: ref=harv (link)
• Hutchinson, J. (1996). "Introduction to Testudines: The Turtles". University of California Museum of Paleontology.CS1 maint: ref=harv (link)