Megapetalus Clark 1929 (heart urchin)

Echinoidea - Spatangoida - Asterostomatidae

Full reference: H. L. Clark. 1929. A new Miocene echinoid from California. Transactions of the San Diego Society of Natural History 5(17):257-262

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

See also Clark 1929, Grant and Hertlein 1938, Sepkoski 2002 and Zullo and Durham 1962

Sister taxa: Antillaster, Argopatagus, Asterostoma, Brissolampas, Brissomorpha, Cleistechinus, Delopatagus, Elipneustes, Genicopatagus, Heterobrissus, Linopneustes, Moronaster, Palaeobrissus, Paleotrema, Peripatagus, Platybrissus, Plesiozonus, Prosostoma, Pycnolampas, Pygospatangus

Subtaxa: Megapetalus lovenioides

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Miocene of United States (6: California collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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