Asteroidea - Hadrosida - Hudsonasteridae
Synonym: Protopalaeasteridae Kesling 1962
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. Sprinkle 2021
See also Blake 1989, Blake 2018, Dean Shackleton 2005, Herringshaw et al. 2007, Kesling 1962, Owen 1965, Schuchert 1915, Spencer 1916, Spencer and Wright 1966, Webster et al. 1999 and Withers and Keble 1934
Sister taxa: Aulacolatiaster, Fandasteridae, Miomaster, Palaeasteridae, Pleiadeaster, Promopalaeasteridae, Spaniaster, Urasterellidae, Xenasteridae
Subtaxa: Arceoaster Coccasterinae Doliaster Girvanaster Hudsonaster Hudsonasterinae Silurasterinae
Type: Hudsonaster
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Devonian of United States (1: Colorado collection)
• Silurian of the United Kingdom (1), United States (1: Oklahoma)
• Ordovician of Canada (2: Quebec), the United Kingdom (1), United States (19: Illinois, Iowa, Iowa, Minnesota, Ohio, Oklahoma, Tennessee)
Total: 25 collections including 27 occurrences