Echinoidea - Spatangoida - Micrasteridae
Full reference: A. G. Fischer. 1966. Spatangoids. Treatise on Invertebrate Paleontology, Part U. Echinodermata. Geological Society of America and University of Kansas Press, Boulder and Lawrence 3(2):U543-U628
Parent taxon: Micraster according to A. G. Fischer 1966
Sister taxa: Micraster (Gibbaster), Micraster (Plesiaster), Micraster acutus, Micraster americanus, Micraster carinatus, Micraster coranguinum, Micraster corbovis, Micraster cortestudinarium, Micraster glyphus, Micraster leskei, Micraster pseudorostratus, Micraster rogalae, Micraster schlueteri, Micraster schroederi, Micraster uddeni
Subtaxa: none
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution: there are no occurrences of Micraster (Micraster) in the database