Name: Kayentachelys ‭(‬Kayenta shell,‭ ‬named after the Kayenta Formation‭)‬.
Phonetic: Kay-en-tah-chel-iss.
Named By: E.‭ ‬S.‭ ‬Gaffney,‭ ‬J.‭ ‬H.‭ ‬Hutchison,‭ ‬F.‭ ‬A.‭ ‬Jenkins Jr.‭ & ‬L.‭ ‬J.‭ ‬Meeker‭ ‬-‭ ‬1987.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Testudines,‭ ‬Cryptodira.
Species: K.‭ ‬aprix‭ (‬type‭)‬.
Diet: Unavailable.
Size: About‭ ‬50‭ ‬centimetres wide,‭ ‬60‭ ‬centimetres long.
Known locations: USA,‭ ‬Arizona‭ ‬-‭ ‬Kayenta Formation.
Time period: Sinemurian-Pliensbachian of the Jurassic.
Fossil representation: Partial skull and shells of at least two individuals.

       Kayentachelys is a genus of turtle that lived in the south-west of the USA during the early Jurassic.‭ ‬Though only known from incomplete remains,‭ ‬Kayentachelys has been identified as one of the earliest cryptodiran turtles.

Further reading
-‭ ‬Modern turtle origins:‭ ‬-‭ ‬The oldest known cryptodire.‭ ‬Science‭ ‬237:289-291.‭ ‬-‭ ‬E.‭ ‬S.‭ ‬Gaffney,‭ ‬J.‭ ‬H.‭ ‬Hutchison,‭ ‬F.‭ ‬A.‭ ‬Jenkins Jr.‭ & ‬L.‭ ‬J.‭ ‬Meeker‭ ‬-‭ ‬1987.


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