Cephalopoda - Tarphycerida - Trocholitidae
Parent taxon: Trocholitidae according to B. Kröger and M. Aubrechtova 2017
See also Crick 1981, Frey 1995, Sepkoski 2002, Sweet 1958 and Teichert et al. 1964
Sister taxa: Arkoceras, Curtoceras, Discoceras, Graftonoceras, Hardmanoceras, Jasperoceras, Litoceras, Palaeonautilus, Paradiscoceras, Plectolites, Schroederoceras, Trocholitoceras, Wichitoceras
Subtaxa: Trocholites ammonius Trocholites contractus Trocholites depressus Trocholites faberi Trocholites fugax Trocholites gennadii Trocholites gracilis Trocholites hospes Trocholites internestriatus Trocholites ruedemanni
Type: Trocholites ammonius
Ecology: fast-moving nektobenthic carnivore
Distribution:
• Dobrotivian of the Czech Republic (4 collections)
• Whiterockian of United States (2: California, Utah)
• Arenig of China (1)
• Ordovician of Australia (3), Canada (2: Nunavut, Ontario), China (5), Estonia (1), Ireland (1), Norway (4), Sweden (7), the United Kingdom (1), United States (15: Kentucky, Nevada, New York, Ohio, Utah, Vermont)
Total: 46 collections including 47 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.