†Chirognathus (conodont)
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Parent taxon: Prioniodinina according to P. C. J. Donoghue et al. 2008
See also Pyle and Barnes 2002 and Sepkoski 2002
Sister taxa: Apatognathus, Aphelognathus, Erika, Erismodus, Erraticodon, Hibbardella, Kladognathus, Oulodus
Subtaxa: none
Ecology: nektonic carnivore
Distribution:
• Arenigian of United States (1: Alaska collection)
• Arenig of China (1)
• Ordovician of Canada (2: British Columbia, Ontario), China (4), the Russian Federation (4), United States (8: Colorado, Minnesota, Wyoming)
Total: 20 collections including 48 occurrences
Specimen images are retrieved through the ePANDDA API.
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