Cephalopoda - Ammonitida - Hildoceratidae
Alternative combinations: Harpoceras aequiondulatum, Protogrammoceras (Paltarpites) aequiondulatum, Protogrammoceras (Protogrammoceras) aequiondulatum
Belongs to Fuciniceras (Paltarpites) according to C. Meister et al. 2011
See also Géczy and Meister 1998 and Smith and Tipper 1996
Sister taxa: Protogrammoceras (Fieldingiceras), Protogrammoceras (Matteiceras), Protogrammoceras (Protogrammoceras), Protogrammoceras bassanii, Protogrammoceras ionicus, Protogrammoceras normanianum, Protogrammoceras pseudodilectum, Protogrammoceras serotinum, Protogrammoceras sublaeve, Protogrammoceras thevenini, Protogrammoceras (Paltarpites) paltum, Protogrammoceras (Paltarpites) gabillyi, Protogrammoceras (Paltarpites) madagascariense, Protogrammoceras (Argutarpites) meneghinii
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 35.7
Distribution:
• Jurassic of Canada (6: British Columbia, Yukon collections), Hungary (1), Morocco (4)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.