Full reference: E. B. Branson and M. G. Mehl. 1933. Conodonts from the Bainbridge (Silurian) of Missouri. University of Missouri Studies 8:39-52
Parent taxon: Conodontophorida according to D.L. Clark et al. 1981
See also Sepkoski 2002
Sister taxa: Algherella, Alternognathus, Amydrotaxis, Angulodus, Axiothea, Caenodontus, Chirognathacea, Conodonta, Declinognathodus, Dentacodina, Dichodella, Distacodontacea, Elsonella, Embaysgnathus, Eocarniodus, Evencodus, Exochognathus, Fryxellodontacea, Fungulodus, Geniculatus, Hibbardellacea, Hindeodelloides, Hindeodina, Homoiranognathus, Huddlella, Istorinus, Laterignathus, Leutorhinion, Mestognathidae, Mitrellotaxis, Neocavitella, Norigondolella, Oligodus, Ozarcodina, Panderodontacea, Paraprionodus, Pavlovites, Playfordia, Prattognathus, Pravognathus, Proconodontacea, Pseudosweetognathus, Ptilognathus, Rhodalepus, Roundya, Schopfodus, Sibiriodus, Steptotaxis, Subbryantodus, Tuxekania, Volgelgnathus, Windsorgnathus, Zieglericonus
Subtaxa: Polygnathellus emarginatus
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Polygnathellus in the database
Specimen images are retrieved through the ePANDDA API.
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