Hyolitha - Hyolithida - Similothecidae
Full reference: J. M. Malinky. 1988. Early Paleozoic Hyolitha from North America: reexamination of Walcott’s and Resser’s type specimens. Journal of Paleontology 62(2):218-233
Parent taxon: Hyolithida according to J. M. Malinky and C.B. Skovsted 2004
Sister taxa: Aimitus, Aladracina, Altaicornus, Amydaicornus, Anabaricornus, Angusticornidae, Angusticornus, Atdabanithidae, Australothecidae, Bolithes, Borealicornus, Brevilabiatus, Carinolithidae, Cavernolites, Crestjahitidae, Crestjahitus, 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, Microcornus, Nelegerocornidae, Nitoricornus, Notabilitus, Oblisicornus, Oxytus, Paracornus, Parakolithes, Parakorilithes, Parentilitidae, Parkula, Patholites, Pauxillites, Pauxillitidae, Rarissimetus, Rodentilites, Slapylitidae, Tajinella, Tizilites, Tulenicornus, Virgatotheca, Yacutolithuus
Subtaxa: Similotheca
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Cambrian of Canada (1: Newfoundland and Labrador collection), Greenland (2)
Total: 3 collections including 4 occurrences