†family Stenonasteridae Lambert 1922 (sea urchin)
Echinoidea - Holasteroida - Stenonasteridae
Full reference: J. Lambert. 1922. Echinides. Revue critique de Paléozoolologie 26:114
Parent taxon: Holasteroida according to A. Kroh and A. B. Smith 2010
See also Wagner and Durham 1966
Sister taxa: Calymnidae, Coraster, Corechinus, Coryslus, Eoholaster, Hemipneustidae, Menuthiaster, Meridosternata, Nordenskjoeldaster, Physaster, Pomaster, Pseudholaster, Pseudholasteridae, Smithiaster, Turanglaster
Subtaxa: Stenonaster
Type: Stenonaster
Ecology: semi-infaunal detritivore
Distribution: there are no occurrences of Stenonasteridae in the database