PaleoDB taxon number: 197145
Full reference: V. H. Reynoso. 2000. An unusual aquatic sphenodontian (Reptilia: Diapsida) from the Tlayua Formation (Albian), central Mexico. Journal of Paleontology 74:133-148
Sister taxa: none
Type specimen: IGM 7441, a partial skeleton (skull and anterior half of postcranial skeleton). Its type locality is Tlayua Formation, which is in an Albian lagoonal/restricted shallow subtidal lime mudstone in the Tlayua Formation of Mexico.