Family Pourtalesiidae Agassiz 1881 (sea urchin)
Echinoidea - Holasteroida - Pourtalesiidae
Full reference: A. Agassiz. 1881. Report on the scientific results of the voyage of HMS “Challenger” during the years 1873–1876, Zoology, Vol III, Part IX, Report on the Echinoidea; Longmans & Company, London 1-321
Parent taxon: Urechinina according to A. Kroh and A. B. Smith 2010
See also Wagner and Durham 1966
Sister taxa: Carnarechinidae, Plexechinidae, Urechinidae
Subtaxa: Pourtalesia
Type: Pourtalesia
Ecology: semi-infaunal detritivore
Distribution: there are no occurrences of Pourtalesiidae in the database