Ichnogenus: Mesosaurus GERVAIS, 1864-66
Etymology: Greek, mesos, “middle, intermediate”, Greek, sauros, “lizard”: Intermediate lizard.

Ichnospecies: tenuidens GERVAIS, 1864-66
Etymology:

Referred material:

SEDOR, COSTA & LEONARDO, 2002

Locality: Guapirama, Parana State, Brazil.

Horizon: Irati Formation, Pessa Dois Group.

Biostratigraphy:

Age: Sakmanian Stage, Rotilegendes Epoch, Early Permian- Kazanian substage, Capitanian Stage, Upper Guadelupian Subepoch, Middle Zechstein Epoch, Late Middle Permian.

Material:

Number: Not given: Trackway.