Maretia Gray 1855 (heart urchin)

Echinoidea - Spatangoida - Spatangidae

Alternative spelling: Spatangus (Maretia)

Parent taxon: Spatangidae according to R. A. Henderson 1975

See also Fischer 1966, Grant and Hertlein 1938, Kier 1980, Kier 1997, Kroh 2007 and Sepkoski 2002

Sister taxa: Atelospatangus, Epiaster, Gonimaretia, Isomicraster, Laevipatagus, Paramaretia, Sarsella, Semipetalion, Spatangus

Subtaxa: Maretia carinata Maretia carolinensis Maretia clarki Maretia cordata Maretia elevata Maretia elliptica Maretia fasciata Maretia hungarica Maretia mascareignarum Maretia parvituberculata Maretia peloria Maretia planulata Maretia praelongus Maretia saccoi Maretia savini Maretia tuberculata Maretia twitchelli Maretia variegatus Maretia zeisei Spatangus (Maretia) perornatus

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Type: Spatangus planulatus

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Quaternary of Eritrea (1 collection)

• Miocene of Indonesia (1), New Zealand (1)

• Oligocene of Germany (1), United States (2: North Carolina)

• Eocene of the United Kingdom (1), United States (11: North Carolina, South Carolina)

Total: 18 collections including 19 occurrences

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Specimen images are retrieved through the ePANDDA API.


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