Cephalopoda - Ammonoida - Trachyceratidae
Invalid subtaxa: Clionites (Dawsonites) Boehm 1903 [replaced name], Dawsonites Boehm 1903 [replaced name]
Full reference: E. Strand. 1929. Zoological and palaeontological nomenclatural notes. Acta Universitatis Latviensis 20:3-29
Parent taxon: Anolcitinae according to P. Mietto and S. Manfrin 2008
See also Sepkoski 2002, Smith 1927, Spath 1951, Strand 1929, Tozer 1981 and Tozer 1994
Sister taxa: Anolcites, Asklepioceras, Falsanolcites, Frankites, Maclearnoceras, Zestoceras
Subtaxa: Daxatina canadensis Daxatina laubei Daxatina limpida Daxatina megabrotheus
Type: Trachyceras canadense
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (18: British Columbia collections), Italy (21), Spain (1), Svalbard and Jan Mayen (4), United States (10: Alaska, Nevada)
Total: 54 collections including 59 occurrences
Specimen images are retrieved through the ePANDDA API.
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