Species: plummeri PRICE, 1948
Holotype: DGM no. 320-R
Locality: 2 1/2 miles South of Pastos Bons, along the road from the Pastos Bons to Nova York, Municipio of Pastos Bons, State of Maranhao, North Brazil.
Horizon: Pedera de Fogo Formation, Parnaiba Series.
Age: Early Permian.
Material: Rostrum of skull, fragment of mandible and a femur.
DNPM 862-R, 863-R: Scraps of rostrum.
DNPM 864-R: Scraps of a right mandibular ramus.
DNPM 865R: 2 intercentra.
COX & HUTCHINGSON 1991
BMNH R12000: Mid portion of a rostrum.
BMNH R12001: The posterior part of a rostrum.
BMNH R12002: A median fragment of a frontal region of a slightly smaller skull.
BMNH R12003: Many fragments of a small skull.
BMNH R12004: Fragments of vertebrae, including pleurocentra and intercentra, and fragments of skull.
BMNH R12005: Fragments of skull and post-cranial skeleton, this specimen is nearly three times the size of most of the other amphibian specimens.