Cephalopoda - Ammonitida - Polymorphitidae
Alternative combinations: Ammonites flandrini, Cycloceras flandrini
Synonym: Harpoceras zancleanum Gemmellaro 1884
Belongs to Tropidoceras according to B. Geczy and C. Meister 2007
See also Alkaya and Meister 1995, Braga and Rivas 1985, Hillebrandt 2006, Meister 1986, Rakús and Guex 2002, Smith and Tipper 1996 and Thomson and Smith 1992
Sister taxa: Tropidoceras actaeon, Tropidoceras atuelense, Tropidoceras calliplocoides, Tropidoceras calliplocum, Tropidoceras demonense, Tropidoceras ellipticum, Tropidoceras erythraeum, Tropidoceras frischmanni, Tropidoceras futtereri, Tropidoceras hamulatum, Tropidoceras heterogeneum, Tropidoceras masseanum, Tropidoceras mediterraneum, Tropidoceras rotundum, Tropidoceras rursicosta, Tropidoceras semilaevis, Tropidoceras stahli, Tropidoceras stahliforme, Tropidoceras zitteli
Subtaxa: Tropidoceras flandrini densicosta Tropidoceras flandrini flandrini Tropidoceras flandrini obtusum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 77.7
Distribution:
• Jurassic of Argentina (11 collections), Austria (1), Canada (10: British Columbia), Chile (1), France (11), Hungary (3), Spain (1), Tunisia (7), Türkiye (7), United States (2: Nevada)
Total: 54 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.