†family Hyolithidae Nicholson 1889

Hyolitha - Hyolithida - Hyolithidae

Parent taxon: Hyolithida according to J. M. Malinky 1990

See also Benson et al. 1961, Henningsmoen 1952 and Kruse 2002

Sister taxa: Aimitus, Aladracina, Altaicornus, Amydaicornus, Anabaricornus, Angusticornidae, Angusticornus, Atdabanithes, Australothecidae, Bolithes, Borealicornus, Brevilabiatus, Carinolithidae, Cavernolites, Crestjahitidae, Decipilites, Doescherina, Elegantilites, Emarites, Erraticornus, Firmicornus, Galicornus, Gompholites, Goniocornus, Grantitheca, Hyolithina, Hyptiotheca, Ingolitotheca, Insignicornus, Insolitotheca, Jacuticornus, Jacutolitus, Jincelites, Joachimilites, Ketemecornus, Kuonamkicornus, Laticornus, Lenalitus, Lirotheca, Matthevina, Maxilites, Meitanovitus, Nelegerocornidae, Neopauxillites, Nitoricornus, Notabilitus, Oblisicornus, Oboedalites, Oxytus, Paracornus, Parakolithes, Parakorilithes, Parkula, Patholites, Pauxillites, Pauxillitidae, Planotheca, Rarissimetus, Rodentilites, Similothecidae, Slapylitidae, Tajinella, Tizilites, Tulenicornus, Virgatotheca, Virgulaxonaria, Yacutolithuus, Yankongovitus

Subtaxa: Hallotheca Haplophrentis Helenia Hyolithes Korilithes Nevadotheca Novakotheca Sololites Yalarrnga

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Ecology: facultatively mobile epifaunal suspension feeder

Distribution:

• Permian of Australia (1 collection), Madagascar (1), the United Kingdom (1)

• Carboniferous of Argentina (4), Australia (2), United States (3: Indiana, Virginia)

• Devonian of Australia (7), Brazil (8), Canada (1: Quebec), Ghana (1), Morocco (1), South Africa (6), Spain (1), United States (18: Illinois, New York, Pennsylvania)

• Silurian of Australia (5), Canada (2: Nova Scotia), Paraguay (1), Poland (1), the United Kingdom (19), United States (1: Tennessee)

• Ordovician of Argentina (2), Canada (2: Nunavut, Ontario), China (1), the Czech Republic (7), France (1), Portugal (2), Sweden (13), the United Kingdom (14), United States (8: Iowa, Kentucky, Missouri, New York, Ohio, Pennsylvania)

• Whiterockian of United States (1: Nevada)

• Klabava of the Czech Republic (1)

• Arenig of Canada (1: Yukon)

• Marjumian of United States (4: Arizona, Utah)

• Cambrian of Antarctica (1), Argentina (3), Australia (52), Canada (58: British Columbia, Labrador, New Brunswick, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Nunavut, Quebec, Yukon and Northwest Territories), China (5), the Czech Republic (3), Denmark (1), Germany (1), Greenland (1), India (1), Mexico (5), Norway (5), the Russian Federation (4), Sweden (8), the United Kingdom (4), United States (55: Arizona, California, Idaho, Idaho/ Utah, Indiana, Maryland, Massachusetts, Montana, Nevada, New York, Pennsylvania, South Dakota, Utah, Vermont, Wisconsin, Wyoming, Wyoming-Montana)

Total: 348 collections including 402 occurrences

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