Asteroidea - Hadrosida - Urasterellidae
Alternative spelling: Urasterellinae
Full reference: C. Schuchert. 1914. Fossilium Catalogus. 1: Animalia, pars 3, Stelleroidea palaeozoica. W. Junk, Berlin 1-53
Parent taxon: Hadrosida according to D. B. Blake and J. Koniecki 2020
See also Blake 1989, Blake 2018, Blake et al. 2016, Blake and Rozhnov 2007, Dean Shackleton 2005, Jell and Theron 1999, Lehmann 1957, Müller and Hahn 2022, Owen 1965, Schuchert 1915, Spencer 1918 and Spencer and Wright 1966
Sister taxa: Aulacolatiaster, Fandasteridae, Hudsonasteridae, Miomaster, Palaeasteridae, Pleiadeaster, Promopalaeasteridae, Spaniaster, Xenasteridae
Subtaxa: Anthroosasterias Bohemaster Meturaster Pegoasterella Salteraster Staurasterias Ulrichaster Urasterella
Type: Urasterella
Ecology: epifaunal carnivore
Distribution:
• Carboniferous of United States (2: Indiana, Iowa collections)
• Devonian of Germany (2), South Africa (2)
• Silurian of the United Kingdom (3), United States (1: California)
• Ordovician of Canada (7: Ontario, Quebec), the Russian Federation (1), the United Kingdom (1), United States (21: Illinois, Illinois, Iowa, Minnesota, Nevada, Ohio, Oklahoma, Pennsylvania, Tennessee)
Total: 40 collections including 46 occurrences