Species: amplus SHISHKIN, 1960
Etymology: Latin, amplus, "large."

Holotype: PIN 2242/1

Locality: Bolshoi Bogdo Mountain, Lake Baskunchak, Caspian Basin, Akhtubinskii District, Astrakhan Region, European Russia.

Horizon: Bogdo Formation, Yarenskian Series.

Biostratigraphy: Dorikranites beds.

Age: Upper Olenekian substage, upper Scythian Epoch, Early Triassic.

Material: A fairly complete palate and bascrainium.

Referred material:

NOVIKOV, 2007

PIN 2242/2: Left ramus of the lower jaw.

PIN 2242/48: Interclavicle.

PIN 2242/49: Incomplete skull.

PIN 2242/50: Core of medial part of skull.

PIN 2242/51: Left prenairal fragment of skull.

PIN 2246/2: Core of the posterior part of a skull with basicranial bones.

PIN 2247/3: Imprint of skull roof.