Cephalopoda - Goniatitida - Paragastrioceratidae

Alternative combinations: Gastrioceras altudense, Paragastrioceras altudense, Pseudogastrioceras altudense

Full reference: E. Böse. 1919. The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphic significance. University of Texas Bulletin 1762:1-241

Belongs to Altudoceras according to T.B. Leonova 2002

Sister taxa: Altudoceras boreum, Altudoceras cooperi, Altudoceras guanshanense, Altudoceras hefengense, Altudoceras hirsutum, Altudoceras jiaheense, Altudoceras jianshiense, Altudoceras lijiaense, Altudoceras mckeei, Altudoceras orientale, Altudoceras roemeri, Altudoceras serratum, Altudoceras sosioense, Altudoceras waageni, Altudoceras zitteli

Type specimen: Its type locality is Two miles southwest of Altuda station, which is in a Capitanian marine horizon in the Altuda Formation of Texas

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 10.7, shell diameter 25.5