Conodontophorida - Hibbardellacea
Parent taxon: Conodontophorida according to D.L. Clark et al. 1981
Sister taxa: Algherella, Alternognathus, Amydrotaxis, Angulodus, Axiothea, Caenodontus, Chirognathacea, Conodonta, Declinognathodus, Dentacodina, Dichodella, Distacodontacea, Elsonella, Embaysgnathus, Eocarniodus, Evencodus, Exochognathus, Fryxellodontacea, Fungulodus, Geniculatus, Hindeodelloides, Hindeodina, Homoiranognathus, Huddlella, Istorinus, Laterignathus, Leutorhinion, Mestognathidae, Mitrellotaxis, Neocavitella, Norigondolella, Oligodus, Ozarcodina, Panderodontacea, Paraprionodus, Pavlovites, Playfordia, Polygnathellus, Prattognathus, Pravognathus, Proconodontacea, Pseudosweetognathus, Ptilognathus, Rhodalepus, Roundya, Schopfodus, Sibiriodus, Steptotaxis, Subbryantodus, Tuxekania, Volgelgnathus, Windsorgnathus, Zieglericonus
Subtaxa: Hibbardellidae
Type: Hibbardellidae
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Australia (1 collection), Canada (9: Northwest Territories, Yukon), the Czech Republic (36), United States (7: Minnesota, Nevada)
• Silurian of the Czech Republic (30), Germany (9), United States (53: Nevada, Oklahoma)
Total: 145 collections including 155 occurrences