Hyolitha - Hyolithida - Crestjahitidae
Parent taxon: Hyolithida according to J. M. Malinky 1990
Sister taxa: Aimitus, Aladracina, Altaicornus, Amydaicornus, Anabaricornus, Angusticornidae, Angusticornus, Atdabanithidae, Australothecidae, Bolithes, Borealicornus, Brevilabiatus, Carinolithidae, Cavernolites, Decipilites, Doescherina, Emarites, Erraticornus, Firmicornus, Galicornus, Glossolites, Gompholites, Goniocornus, Grantitheca, Hyolithidae, Hyolithina, Hyptiotheca, Ingolitotheca, Insignicornus, Insolitotheca, Jacuticornus, Jacutolitus, Jincelites, Joachimilites, Ketemecornus, Kuonamkicornus, Lathamoserpens, Laticornus, Lenalitus, Lirotheca, Matthevina, Maxilites, Meitanovitus, Nelegerocornidae, Nitoricornus, Notabilitus, Oblisicornus, Oxytus, Paracornus, Parakolithes, Parakorilithes, Parentilitidae, Parkula, Patholites, Pauxillites, Pauxillitidae, Rarissimetus, Rodentilites, Similothecidae, Slapylitidae, Tajinella, Tizilites, Tulenicornus, Virgatotheca, Yacutolithuus
Subtaxa: Crestjahitus
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Cambrian of the Russian Federation (5 collections)
Total: 5 collections each including a single occurrence