Cephalopoda - Ammonitida - Hildoceratidae
Alternative spellings: Arieticeras (Grammoceras), Harpoceras (Grammoceras)
Synonym: Costigrammoceras Buckman 1926
Parent taxon: Grammoceratinae according to M. K. Howarth 2013
See also Bécaud 2006, Blau and Meister 1991 and Sepkoski 2002
Sister taxa: Catulloceras, Dumortieria, Hudlestonia, Phlyseogrammoceras, Physeogrammoceras, Pleydellia, Podagrosites, Pseudogrammoceras, Pseudolillia, Shakraceras, Troitsaia, Yakounia
Subtaxa: Grammoceras normanianum Grammoceras penestriatulum Grammoceras striatulum Grammoceras thouarsense Grammoceras timorense
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Bulgaria (1 collection), Canada (13: British Columbia, Yukon), Chile (2), France (21), Germany (4), Hungary (10), Indonesia (1), Luxembourg (3), the Russian Federation (3), Slovakia (1), Spain (4), Svalbard and Jan Mayen (1), the United Kingdom (5)
Total: 69 collections including 91 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.