Name: Gephyrosaurus.
Phonetic: ‭ ‬Gef-er-o-sore-us.
Named By: Susan E.‭ ‬Evans‭ ‬-‭ ‬1980.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Rhynchocephalia,‭ ‬Gephyrosauridae.
Species: G.‭ ‬bridensis‭ ‬(type‭), G. evansae‬.
Diet: Insectivore.
Size: Roughly up to‭ ‬20‭ ‬centimetres long.
Known locations: Wales.
Time period: Hettangian to Pliensbachian of the Jurassic.
Fossil representation: Several individuals.

       Gephyrosaurus is a genus of rhynchocephalian reptile,‭ ‬a kind similar to the tuatara from New Zealand.‭ ‬Gephyrosaurus was a small creature with numerous‭ ‬small pointed teeth in the mouth that were quite tightly packed together.‭ ‬These teeth might have been used for seizing small insects which are the main prey for the tuatara that we know today.

Further reading
-‭ ‬The skull of a new eosuchian reptile from the Lower Jurassic of South Wales‭ ‬-‭ ‬Zoological Journal of the Linnean Society‭ ‬70:203-264‭ ‬-‭ ‬Susan E.‭ ‬Evans‭ ‬-‭ ‬1980.
-‭ ‬The postcranial skeleton of the Lower Jurassic eosuchian Gephyrosaurus bridensis.‭ ‬Zoological Journal of the Linnean Society‭ ‬73:81‭–‬116‭ ‬-‭ ‬Susan E.‭ ‬Evans‭ ‬-‭ ‬1981.
- Caudal autonomy in a lower Jurassic Eosuchian.‭ ‬Copeia‭ ‬1981:‭ ‬883-884.‭ ‬-‭ ‬Susan E.‭ ‬Evans‭ ‬-‭ ‬1981.
-Madibular fracture and inferred behaviour of a fossil reptile.‭ ‬Copeia‭ ‬1983:‭ ‬845-847.‭ ‬-‭ ‬Susan E.‭ ‬Evans‭ ‬-‭ ‬1983.
-‭ ‬Tooth replacement in the Lower Jurassic lepidosaur Gephyrosaurus bridensis.‭ ‬Neues Jahrbuch fuir Geologie und Paliontologie,‭ ‬Monatshefte‭ ‬7:411-420‭ ‬-‭ ‬Susan E.‭ ‬Evans‭ ‬-‭ ‬1985.


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