Cephalopoda - Ammonitida - Haploceratidae
Alternative combinations: Ammonites grasianus, Haploceras (Neolissoceras) grasi, Haploceras (Neolissoceras) grasianum, Haploceras grasianum, Neolissoceras grasianus
Belongs to Neolissoceras according to J. R. Ovando-Figueroa et al. 2024
See also Arkadiev et al. 2000, Avram and Gradinaru 1993, Cecca et al. 1998, Lukeneder 2004, Reboulet 1996, Vasicek 2002, Wright 1952 and Wright et al. 1996
Sister taxa: Neolissoceras (Carinites), Neolissoceras carachteis, Neolissoceras cornutus, Neolissoceras desmoceratoides, Neolissoceras salinarium
Subtaxa: Haploceras (Neolissoceras) grasi subgrasi
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 36.8
Distribution:
• Cretaceous of Austria (8 collections), Czechia (1), France (270), Hungary (24), Italy (13), Mexico (1), Morocco (5), Poland (5), Portugal (4), Romania (1), Slovakia (9), Spain (60), Tunisia (9), Ukraine (4)
Total: 414 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.