-
Sphenovipera jimmysjoyi is an
extinct species of
sphenodontian dated from the
Middle Jur****ic. If was
discovered in the
lower part of the La Boca Formation...
- †Trullidens? †Ankylosphenodon? †Derasmosaurus? †Pamizinsaurus †Zapatadon †
Sphenovipera †Alamitosphenos
Sphenodontinae †Cynosphenodon †Tika †Sphenofontis †Navajosphenodon...
-
Sphenodon punctatus Cynosphenodon ****zachalensis
Sphenovipera jimmysjoyi Pelecymala robustus Eilenodontinae...
- durophagous, with the
tooth plates being used to
crush hard s****ed organisms.
Sphenovipera from the Jur****ic of
Mexico has been
suggested to have been venomous...
- †Derasmosaurus †Kawasphenodon? †Navajosphenodon †Pamizinsaurus?
Sphenodon †Sphenofontis †
Sphenovipera? †Theretairus? †Tika †Zapatadon? †Opisthodontia...
-
Sphenodon punctatus Cynosphenodon ****zachalensis
Sphenovipera jimmysjoyi Pelecymala robustus Eilenodontinae...
- †Derasmosaurus †Kawasphenodon? †Navajosphenodon †Pamizinsaurus?
Sphenodon †Sphenofontis †
Sphenovipera? †Theretairus? †Tika †Zapatadon? †Opisthodontia...
-
derived taxon include Homoeosaurus, Pamizinsaurus, Ankylosphenodon, the
Sphenovipera+Theretairus clade, and pleurosaurs. A 2017
study utilizing both parsimony...
- †Derasmosaurus †Kawasphenodon? †Navajosphenodon †Pamizinsaurus?
Sphenodon †Sphenofontis †
Sphenovipera? †Theretairus? †Tika †Zapatadon? †Opisthodontia...
- †Derasmosaurus †Kawasphenodon? †Navajosphenodon †Pamizinsaurus?
Sphenodon †Sphenofontis †
Sphenovipera? †Theretairus? †Tika †Zapatadon? †Opisthodontia...
