Cephalopoda - Ammonitida - Pachydiscidae
Alternative combinations: Ammonites egertoni, Pachydiscus egertoni
Synonyms: Ammonites ganesa Forbes 1846, Parapachydiscus coalingensis Anderson 1958, Parapachydiscus ganesa Forbes 1846
Full reference: E. Forbes. 1846. Report on the fossil invertebrata from southern India, collected by Mr. Kaye and Mr. Cunliffe. Transactions of the Geological Society of London, Series 2 7:97-174
Belongs to Pachydiscus (Pachydiscus) according to W. J. Kennedy and R. A. Henderson 1992
See also Anderson 1958, Forbes 1846, Matsumoto 1959 and Zaborski 1985
Sister taxa: Pachydiscus (Pachydiscus) arkansanus, Pachydiscus (Pachydiscus) australis, Pachydiscus (Pachydiscus) awajiensis, Pachydiscus (Pachydiscus) cayeuxi, Pachydiscus (Pachydiscus) complanatus, Pachydiscus (Pachydiscus) dossantosi, Pachydiscus (Pachydiscus) duelmensis, Pachydiscus (Pachydiscus) gutierrezi, Pachydiscus (Pachydiscus) haldemsis, Pachydiscus (Pachydiscus) hazzardi, Pachydiscus (Pachydiscus) jacquoti, Pachydiscus (Pachydiscus) jeani, Pachydiscus (Pachydiscus) kamishakensis, Pachydiscus (Pachydiscus) neubergicus, Pachydiscus (Pachydiscus) noetlingi, Pachydiscus (Pachydiscus) oldhami, Pachydiscus (Pachydiscus) ootacodensis, Pachydiscus (Pachydiscus) paulsoni, Pachydiscus (Pachydiscus) rogeri, Pachydiscus (Pachydiscus) ultimus, Pachydiscus (Pachydiscus) yama
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 57.0
Distribution:
• Cretaceous of India (1 collection), Nigeria (1), United States (6: California)
Total: 8 collections including 9 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.