Cephalopoda - Goniatitida - Paragastrioceratidae
Alternative combinations: Altudoceras haacki, Pseudogastrioceras haacki
Full reference: A. K. Miller. 1944. Permian cephalopods, Part IV of Geology and paleontology of the Permian area northwest of Las Delicias, southeastern Coahulia, Mexico. Geological Society of America Special Paper 52:71-127
Belongs to Roadoceras according to T. B. Leonova 2002
See also Miller 1944 and Ruzhentsev 1974
Sister taxa: Roadoceras beedei, Roadoceras bellum, Roadoceras chinense, Roadoceras hubeiense, Roadoceras plicatum, Roadoceras prodromus, Roadoceras roadense, Roadoceras sinense, Roadoceras tumidum, Roadoceras xizangense
Type specimen: YPM 16254,16257
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 46.9
Distribution:
• Permian of Mexico (2 collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.