Asteroidea - Euaxosida - Cnemidactinidae
Full reference: W. K. Spencer. 1918. A monograph of the British Palaeozoic Asterozoa. Monographs of the Palaeontographical Society, London 1916(3):109-168
Parent taxon: Cnemidactinidae according to D. B. Blake 2018
See also Blake and Guensburg 1993, Blake and Rozhnov 2007, Dean Shackleton 2005, Owen 1965, Sepkoski 2002, Spencer 1918 and Spencer and Wright 1966
Sister taxa: none
Subtaxa: Cnemidactis girvanensis Cnemidactis macroadambulacralatas Cnemidactis osloensis
Type: Urasterella girvanensis
Ecology: slow-moving low-level epifaunal carnivore
Distribution:
• Volkhov of the Russian Federation (1 collection)
• Ordovician of Norway (1), the United Kingdom (1), United States (1: Nevada)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.