Asteroidea - Hadrosida - Urasterellidae
Full reference: W. K. Spencer. 1950. Asterozoa and the study of Palaeozoic faunas. Geological Magazine 87:393-408
Parent taxon: Urasterellidae according to D. B. Blake and J. Koniecki 2020
See also Blake 2018, Blake and Rozhnov 2007, Dean Shackleton 2005, Jell and Theron 1999, Owen 1965, Sepkoski 2002 and Spencer and Wright 1966
Sister taxa: Anthroosasterias, Bohemaster, Meturaster, Pegoasterella, Salteraster, Staurasterias, Urasterella
Subtaxa: Ulrichaster macrodentatus Ulrichaster ulrichi
Type: Urasterella ulrichi
Ecology: epifaunal carnivore
Distribution:
• Devonian of South Africa (2 collections)
• Ordovician of United States (2: Illinois, Iowa, Minnesota)
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.