Schizaster (Ova) Gray 1825 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Alternative spelling: Ova

Full reference: J. E. Gray. 1825. An attempt to divide the Echinida, or Sea Eggs, into natural families. Annals of Philosophy, new series 10:423-431

Parent taxon: Schizaster according to A. G. Fischer 1966

Sister taxa: Schizaster (Dipneustes), Schizaster (Paraster), Schizaster (Schizaster), Schizaster alcaldei, Schizaster americana, Schizaster bathypetalus, Schizaster beckeri, Schizaster brachypetalus, Schizaster camagueyensis, Schizaster cartagensis, Schizaster cojimarensis, Schizaster compactus, Schizaster cordiformis, Schizaster costaricensis, Schizaster cristatus, Schizaster cubensis, Schizaster cubitabellae, Schizaster delgadoi, Schizaster diabloensis, Schizaster doederleini, Schizaster dumblei, Schizaster egozcuei, Schizaster fernandezi, Schizaster floridanus, Schizaster formelli, Schizaster gerthi, Schizaster habanensis, Schizaster lecontei, Schizaster llagunoi, Schizaster martinezensis, Schizaster moronensis, Schizaster munozi, Schizaster neuvitasensis, Schizaster panamensis, Schizaster pastelilloensis, Schizaster rojasi, Schizaster salutis, Schizaster sanctamariae, Schizaster sandiegensis, Schizaster santanae, Schizaster schlosseri, Schizaster sierrai, Schizaster sphenoides, Schizaster stalderi, Schizaster studeri, Schizaster subcylindricus

Subtaxa: none

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Miocene of Italy (2 collections)

• Oligocene of Germany (1)

Total: 3 collections each including a single occurrence

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