Cephalopoda - Ceratitida - Prionitidae
Alternative combination: Goniodiscus typus
Synonyms: Goniodiscus americanus Mathews 1929, Goniodiscus butleri Mathews 1929, Goniodiscus ornatus Mathews 1929, Goniodiscus shumardi Mathews 1929, Goniodiscus slocomi Mathews 1929, Goniodiscus utahensis Mathews 1929, Hemiprionites butleri Mathews 1929, Hemiprionites ornatus Mathews 1929, Hemiprionites utahensis Mathews 1929
Full reference: W. Waagen. 1895. Fossils from the Ceratite Formation. Salt Range Fossils, Palaeontologia Indica, Series 13 2(1):1-323
Belongs to Hemiprionites according to X. Dai et al. 2023
See also Brayard and Bucher 2008, Brayard et al. 2013, Brayard et al. 2021, Brühwiler and Bucher 2012, Brühwiler and Bucher 2012, Kummel 1968, Kummel 1969, Spath 1934 and Waagen 1895
Sister taxa: Hemiprionites costatus, Hemiprionites garwoodi, Hemiprionites katoi, Hemiprionites kuharanus, Hemiprionites morianus, Hemiprionites roberti, Hemiprionites sawatanus, Hemiprionites shikokuensis, Hemiprionites shimizui, Hemiprionites tahoensis, Hemiprionites timorensis, Hemiprionites walcotti
Type specimens:
- Hemiprionites typus: Its type locality is Chidroo, high in Upper Ceratite Limestone, Salt Range, which is in a Smithian marine marl in the Upper Ceratite Limestone Formation of Pakistan
- Goniodiscus americanus:
- Goniodiscus butleri:
- Goniodiscus ornatus:
- Goniodiscus shumardi:
- Goniodiscus slocomi:
- Goniodiscus utahensis:
Average measurements (in mm): shell diameter 35.7
Distribution:
• Triassic of Afghanistan (1 collection), China (4), Indonesia (1), Oman (2), Pakistan (7), the Russian Federation (1), United States (8: Idaho, Utah)
Total: 24 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.