Synonym: Cyrtoniodus Stauffer 1935
Parent taxon: Prioniodontida according to P. C. J. Donoghue et al. 2008
See also Sepkoski 2002, Stouge and Bagnoli 1999, Sweet 1988 and Zhen 2019
Sister taxa: Acodontidae, Anticostiodus, Balognathidae, Balognathoidea, Cyrtoniodontidae, Distomodontidae, Histiodella, Multioistodontidae, Oepikodus, Oistodontidae, Paracordylodontidae, Paracordylodus, Periodontidae, Plectodinidae, Prioniodinida, Prioniodinina, Prioniodontacea, Rhipidognathidae, Sagittodontina, Strachanognathidae
Subtaxa: Phragmodus flexuosus
Ecology: nektonic carnivore
Distribution:
• Silurian of Austria (1 collection)
• Uhaku of the Russian Federation (1)
• Whiterockian of Canada (5: British Columbia, Northwest Territories), United States (5: Nevada)
• Arenig of China (1)
• Ordovician to Silurian of Canada (3: Québec)
• Ordovician of Argentina (1), Australia (3), Canada (44: British Columbia, Manitoba, Northwest Territories, Québec), China (31), Estonia (1), the Russian Federation (30), United States (65: Alaska, Iowa, Minnesota, Nevada, New York, Oklahoma, Wyoming)
• Tremadoc of Mexico (1)
Total: 192 collections including 208 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.