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:
• Ordovician of Australia (3 collections), Canada (2: Nunavut, Ontario), China (5), the Czech Republic (4), Estonia (1), Ireland (1), Norway (4), Sweden (7), the United Kingdom (1), United States (13: Kentucky, Nevada, New York, Ohio, Utah)
• Whiterockian of United States (2: California, Utah)
• Cassinian of United States (1: Vermont)
• Arenig of China (1)
Total: 45 collections including 46 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.