An unusual aquatic sphenodontian (Reptilia: Diapsida) from the Tlayua Formation (Albian), central Mexico

V. H. Reynoso

2000

Article

Journal of Paleontology 74:133-148

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Taxa discussed in this work:

• Ankylosphenodon
• Ankylosphenodon pachyostosus

Taxonomy:

• Ankylosphenodon pachyostosus belongs to Ankylosphenodon - Reynoso (2000)
• Polysphenodon belongs to Sphenodontidae - Reynoso (2000)