†suborder Uractinina Spencer 1951

Asteroidea - Platyasterida

Alternative spellings: Uractinida, Urasterina

Full reference: W. K. Spencer. 1951. Early Palaeozoic starfish. Philosophical Transactions of the Royal Society of London, series B 235(B623):87-129

Parent taxon: Platyasterida according to D. B. Blake and S. Rozhnov 2007

See also Blake 1989, Blake and Guensburg 1993, Lehmann 1957, Owen 1965, Sepkoski 2002, Spencer 1951 and Spencer and Wright 1966

Sister taxa: Eukrinasteridae, Palasteriscidae

Subtaxa: Calliasterellidae Protarthrasteridae Urasterellidae

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Distribution:

• Carboniferous of United States (1: Illinois collection)

• Devonian of Germany (1), South Africa (2), United States (1: Ohio)

• Silurian of the United Kingdom (2)

• Ordovician of Canada (3: Ontario, Quebec), Norway (1), the Russian Federation (1), the United Kingdom (1), United States (18: Illinois, Iowa, Minnesota, Nevada, Ohio, Oklahoma, Pennsylvania, Tennessee)

Total: 31 collections including 38 occurrences

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