Cephalopoda - Goniatitida - Paragastrioceratidae
Alternative combinations: Altudoceras roadense, Gastrioceras roadense, Paragastrioceras roadense, Pseudogastrioceras roadense
Synonym: Pseudogastrioceras globulosissimum Plummer and Scott 1937
Full reference: E. Böse. 1919. The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphic significance. Texas Bureau of Economic Geology Bulletin 1762:1-241
Belongs to Roadoceras according to A. Alanis-Pavón et al. 2025
See also Alanis-Pavón et al. 2024, Böse 1919, Ehiro 2022, González-Arreola et al. 1994, Leonova 2002, Liang 1982, Miller 1944, Miller 1945, Miller and Furnish 1940, Plummer and Scott 1937, Ruzhentsev 1974, Zhao and Zheng 1977 and Zhou 1985
Sister taxa: Roadoceras beedei, Roadoceras bellum, Roadoceras chinense, Roadoceras haacki, Roadoceras hubeiense, Roadoceras plicatum, Roadoceras prodromus, Roadoceras sinense, Roadoceras tumidum, Roadoceras xizangense
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 25.0
Distribution:
• Permian of China (3 collections), Mexico (8), United States (18: Alaska, Texas)
Total: 29 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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