Somasteroidea

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

Belongs to Archegonaster according to J. Dean Shackleton 2005

See also Blake and Guensburg 2015, Owen 1965, Spencer 1951 and Spencer and Wright 1966

Sister taxa: none

Type specimen: Collection Narodni, Museum of Prague, Holotype E.H7.

Ecology: epifaunal suspension feeder

Distribution: found only at Sarka Fm, Prague Basin, Czech Republic (Ordovician of Czechia)

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Specimen images are retrieved through the ePANDDA API.