†superfamily Sphaeronitida Neumayr 1889

Sphaeronitida

Parent taxon: Blastozoa according to S. L. Sheffield and C. D. Sumrall 2019

See also Beaver et al. 1967, Bockelie 1984 and Paul and Bockelie 1983

Sister taxa: Asteroblastida, Blastoidea, Crinoidea, Diploporita, Eocrinoidea, Glyptosphaeritida, Lepidocystoidea, Parablastoidea, Paracrinoidea, Rhombifera, Rhombifera, Soluta

Subtaxa: Aristocystitidae Holocystitidae Sphaeronitidae

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Type: Sphaeronitidae

Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of the Czech Republic (1 collection)

• Niagaran of United States (1: Ohio)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (2), China (1), United States (24: Arkansas, Illinois, Indiana, New York, Tennessee, Wisconsin)

• Dobrotivian of the Czech Republic (2), France (1), Morocco (1), Spain (10)

• Arenig of China (1)

• Ordovician of Algeria (1), Belarus (1), Belgium (5), Canada (2: Quebec), China (9), the Czech Republic (17), Estonia (3), Iran (2), Morocco (7), Norway (26), Portugal (1), Spain (8), Sweden (45), Thailand (1), the United Kingdom (8)

• Tremadoc of the Czech Republic (4), Morocco (1)

Total: 186 collections including 263 occurrences

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