Conodonta - Ozarkodinida - Polygnathidae
Parent taxon: Polygnathidae according to D.L. Clark et al. 1981
See also Sepkoski 2002
Sister taxa: Ancyrodella, Ancyrodelloides, Ancyrolepis, Avignathus, Bispathodus, Cavusgnathus, Hemilistrona, Kimognathus, Klapperina, Linguipolygnathus, Masaraella, Mehlina, Neopolygnathus, Nodognathus, Palmatolepinae, Pandorinellina, Polygnathus, Polylophodonta, Pseudopolygnathus, Rhachistognathus, Scaphignathus, Schmidtognathus, Siphonodella, Synclydagnathus, Zieglerina
Subtaxa: Ancyrognathus asymmetrica Ancyrognathus triangularis
Ecology: nektonic carnivore
Distribution:
• Devonian of Australia (1 collection), Austria (3), Canada (2: Ontario), China (7), France (3), Germany (16), Italy (10), Morocco (3), Portugal (1), the Russian Federation (2), Spain (4), United States (11: Alaska, Iowa, Nebraska, Ohio), Vietnam (10), Western Sahara (2)
Total: 75 collections including 98 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.