Cephalopoda - Ammonitida - Hildoceratidae
Alternative combinations: Ammonites serpentinus, Harpoceras (Harpoceras) serpentinum
Synonyms: Ammonites alternatus Simpson 1843, Harpoceras (Harpoceras) serpentinum alternatus Simpson 1843
Belongs to Harpoceras according to M. Benzaggagh et al. 2022
See also Bécaud 2006, d'Orbigny 1844, Howarth 1992 and Kovács 2011
Sister taxa: Harpoceras (Harpoceras), Harpoceras crassefalcatum, Harpoceras dynastes, Harpoceras eseri, Harpoceras falciferum, Harpoceras ignobile, Harpoceras kobelli, Harpoceras lunula, Harpoceras nitescens, Harpoceras pseudoserpentinum, Harpoceras rauracum, Harpoceras subplanatum
Average measurements (in mm): diameter 105.9, shell diameter 153.1
Distribution:
• Jurassic of Bulgaria (1 collection), Canada (1: Alberta), France (8), Germany (1), Hungary (5), Italy (1), Morocco (1), Spain (9)
Total: 27 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.