Cephalopoda - Ammonitida - Pachydiscidae
Synonym: Mesopachydiscus Yabe and Shimizu 1926
Parent taxon: Pachydiscidae according to W. J. Kennedy et al. 2007
See also Arkadiev et al. 2000, Cobban and Kennedy 1992, Henderson 1970, Kennedy 1995, Kennedy et al. 1992, Kennedy et al. 1973, Matsumoto 1959, Sepkoski 2002, Summesberger 1979 and Thomel 1988
Sister taxa: Baskaniceras, Canadoceras, Chimbuites, Eopachydiscus, Hoepenites, Lewesiceras, Menabonites, Menuites, Nowakites, Pachydiscoides, Pachydiscus, Patagiosites, Pseudojacobites, Teshioites, Tongoboryceras, Tuberodiscoides, Urakawites
Subtaxa: Eupachydiscus depressus Eupachydiscus grossouvrei Eupachydiscus haradai Eupachydiscus isculensis Eupachydiscus lamberti Eupachydiscus macoveii Eupachydiscus pseudogrossouvrei Eupachydiscus sayni Eupachydiscus suciensis Eupachydiscus teshioensis
Type: Ammonites isculensis
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (1 collection), Antarctica (7), Australia (2), Austria (2), Canada (1: British Columbia), France (13), Jamaica (1), Japan (12), New Zealand (1), the Russian Federation (4), South Africa (1), Spain (4), Ukraine (1), United States (9: California, Texas)
Total: 59 collections including 61 occurrences
Specimen images are retrieved through the ePANDDA API.
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