Cephalopoda - Tarphycerida - Trocholitidae
Parent taxon: Trocholitidae according to B. Kröger and M. Aubrechtová 2019
See also Crick 1981, Dzik 1984, Kröger 2013, Kröger and Aubrechtova 2017, Stait 1983, Sweet 1958 and Teichert et al. 1964
Sister taxa: Arkoceras, Curtoceras, Graftonoceras, Hardmanoceras, Jasperoceras, Litoceras, Palaeonautilus, Paradiscoceras, Plectolites, Schroederoceras, Trocholites, Trocholitoceras, Wichitoceras
Subtaxa: Discoceras amtjaernense Discoceras angulatum Discoceras antiquissima Discoceras antiquissimus Discoceras arctuatum Discoceras depressum Discoceras fleischeri Discoceras hyatti Discoceras idaense Discoceras ievesense Discoceras nilssoni Discoceras rarospira Discoceras roemeri Discoceras saemanni Discoceras siljanense Discoceras tubulatum Discoceras vasalemmense
Type: Clymenia antiquissima
Ecology: fast-moving nektobenthic carnivore
Distribution:
• Arenig of China (2 collections)
• Ordovician of Australia (1), Canada (5: Manitoba, Northwest Territories, Nunavut), China (21), Estonia (9), Kazakhstan (1), Malaysia (1), Norway (27), the Russian Federation (1), Sweden (8)
Total: 76 collections including 88 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.