Cephalopoda - Ammonitida - Acanthoceratidae
Alternative spelling: Calycoceras (Eucalycoceras)
Synonyms: Mantelliceras (Pseudomantelliceras) Thomel 1972, Pseudomantelliceras Thomel 1972
Parent taxon: Acanthoceratinae according to M. L. Guendouz et al. 2022
See also Cobban 1988, Kennedy 1994, Kennedy et al. 1996, Kennedy and Simmons 1991, Matsumoto 1959, Sepkoski 2002, Thomel 1972 and Wright et al. 1996
Sister taxa: Acanthoceras, Acompsoceras, Alzadites, Benueites, Calycoceras, Conlinoceras, Cunningtoniceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Paraconlinoceras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Tarrantoceras, Thomelites, Watinoceras
Subtaxa: Eucalycoceras (Proeucalycoceras) Eucalycoceras barcusi Eucalycoceras collignoni Eucalycoceras denizoti Eucalycoceras diabloense Eucalycoceras gothicum Eucalycoceras jeanneti Eucalycoceras pentagonum Eucalycoceras pervinquierei Eucalycoceras shastense Eucalycoceras templetonense
Type: Ammonites pentagonus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Algeria (2 collections), Antarctica (2), Brazil (1), France (10), India (6), Mexico (1), Spain (1), Tunisia (1), the United Kingdom (1), United States (18: Arizona, California, Colorado, New Mexico, South Dakota, Texas, Wyoming)
Total: 43 collections including 45 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.