†superfamily Cyclopygoidea Raymond 1925 (trilobite)

Trilobita - Asaphida

Parent taxon: Asaphida according to R. A. Fortey and D. L. Bruton 2013

See also Adrain 2011

Sister taxa: Aethodionide, Ajacicrepida, Anomocaridae, Asaphina, Asaphoidea, Borogothus, Borthaspis, Boschchekulia, Brandysops, Bumastides, Callaspis, Caulaspis, Ceratolithus, Clavatellus, Cremastoglottos, Digrypos, Dikelocephalacea, Dikelocephalinidae, Dikelocephalopsis, Dipleuropyge, Doremataspis, Eirelithus, Elkia, Elongatanileus, Eoapatokephalus, Eoptychaspis, Eowuhuia, Erbenia, Eurekiidae, Flabellocephalus, Galerosaukia, Glyphopeltis, Gogiura, Homalopyge, Hukasawaia, Hungaiidae, Isyrakopeltis, Kaniniella, Kobayashella, Kogenium, Kokuria, Lakaspis, Liaoningella, Lichengia, Lingukainella, Lophoholcus, Lynaspis, Macropygella, Macrotoxus, Mansuyella, Mapanopsis, Meeria, Metayuepingia, Nadiyella, Nanlingia, Neopeltis, Nomadinis, Notoaphelaspis, Osceolia, Paivinia, Palella, Parabumasttides, Paratrinucleus, Pedinocephalina, Pedinocephalus, Plecteuloma, Plesiyuepingia, Portentosus, Psalaspis, Pseudocyclopyge, Pseudoptyocephalus, Ptychaspididae, Quitacetra, Quitalia, Remopleuridae, Rhyssometopidae, Rhyssometropus, Saimachia, Saukioides, Sinosaukia, Stigmacephaloides, Tchukeraspis, Telaemarrolithus, Temnoura, Theodensia, Toernquistina, Tramoria, Trinucleoidea, Walcottaspis, Xenasaphus

Subtaxa: Cyclopygidae Nileidae Symphysurinidae Taihungshaniidae

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Type: Cyclopygidae

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of Argentina (13 collections), Australia (2), Canada (82: Alberta, British Columbia, Newfoundland, Newfoundland and Labrador, Northwest Territories, Quebec, Yukon), China (144), Colombia (1), the Czech Republic (19), Estonia (1), France (13), Greenland (5), Iran (11), Ireland (10), Italy (3), Kazakhstan (5), Morocco (4), Norway (20), Oman (1), Portugal (1), the Russian Federation (18), Spain (4), Sweden (72), the United Kingdom (49), United States (82: Alaska, British Columbia, California, Idaho, Maine, Montana, Nevada, New Mexico, New York, Texas, Utah, Vermont, Virginia)

• Llandeilo of Canada (1: Yukon), China (7), Sweden (3)

• Whiterockian of Canada (24: Newfoundland, Newfoundland and Labrador), Norway (4), United States (29: Nevada, Oklahoma, Utah)

• Dawan of China (4)

• Cassinian of United States (2: Oklahoma)

• Klabava of the Czech Republic (2), France (1)

• Arenig of Argentina (3), Bolivia (1), China (65), France (5), Iran (1), Morocco (1), Norway (4), the Russian Federation (1), Spain (1), Sweden (5), the United Kingdom (5)

• Arenigian of Canada (2: Northwest Territories), China (21)

• Jeffersonian of Canada (2: Newfoundland and Labrador)

• Cambrian to Ordovician of Canada (1: Quebec)

• Cambrian of Canada (4: Newfoundland and Labrador), China (10), the Russian Federation (3)

Total: 772 collections including 1121 occurrences

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