Species: pollicidens SEIFFERT, 1973
Etymology:
= Introrsisaurus pollicidens SEIFFERT, 1970 (nomen nudum)

Holotype: GUI A. 73

Locality: Guimarota lignite mine (Mina de Lignito Guimarota), 1.5 km SSE of Leiria, Leiria District, Portugal.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Teeth.

Referred material:

GUI 43: Teeth.

GUI A 73: Teeth.

GUI L 232: Teeth.