Echinothrix Peters 1853 (sea urchin)
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Echinoidea - Diadematoida - Diadematidae
Parent taxon: Diadematidae according to G. M. Philip 1963
See also Nisiyama 1966
Sister taxa: Australidiadema, Centrostephanus, Diadema, Eodiadema, Kierechinus, Mesodiadema, Palaeodiadema, Pedinothuria, Sierradiadema
Subtaxa: Echinothrix calamaris
Ecology: slow-moving low-level epifaunal grazer
Distribution: found only at Kitadaitojima (Quaternary of Japan)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.