Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combinations: Ammonites pentagonus, Eucalycoceras pentagonus
Belongs to Eucalycoceras according to M. L. Guendouz et al. 2022
See also Cobban 1988, Kennedy 1994, Kennedy et al. 1996 and Wright et al. 1996
Sister taxa: Eucalycoceras (Proeucalycoceras), Eucalycoceras barcusi, Eucalycoceras collignoni, Eucalycoceras denizoti, Eucalycoceras diabloense, Eucalycoceras gothicum, Eucalycoceras jeanneti, Eucalycoceras pervinquierei, Eucalycoceras shastense, Eucalycoceras templetonense
Distribution:
• Cretaceous of Algeria (2 collections), Brazil (1), France (3), India (6), United States (8: Arizona, Colorado, New Mexico, South Dakota)
Total: 20 collections including 21 occurrences
Specimen images are retrieved through the ePANDDA API.
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