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]

1. ↑ ^{a b} Joyce 2007
2. ↑ "Testudines". Integrated Taxonomic Information System.
3. ↑ Dubois & Bour 2010
4. ↑ Hutchinson 1996