Schizaster americana Clark and Twitchell 1915 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Alternative combination: Schizaster americanus

Full reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341

Belongs to Schizaster according to W. B. Clark and M. W. Twitchell 1915

See also Cooke 1942

Sister taxa: Schizaster (Dipneustes), Schizaster (Ova), Schizaster (Paraster), Schizaster (Schizaster), Schizaster alcaldei, 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

Type specimen: Its type locality is Within town limits of Brandon, on State Highway 18, which is in an Oligocene marine limestone in the Glendon Formation of Mississippi

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Oligocene of United States (11: Alabama, Florida, Georgia, Mississippi collections)

Total: 11 collections each including a single occurrence

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.