Cidaris pratti Clark and Twitchell 1915 (pencil urchin)

Echinoidea - Cidaroida - Cidaridae

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 Cidaris according to P. M. Kier 1980

See also Clark and Twitchell 1915 and Cooke 1941

Sister taxa: Cidaris (Bramus), Cidaris (Cidaris), Cidaris (Protocidaris), Cidaris (Vernius), Cidaris admeto, Cidaris alabamensis, Cidaris alata, Cidaris alpis, Cidaris baculifera, Cidaris bechei, Cidaris blandis, Cidaris bowerbankii, Cidaris branneri, Cidaris californicus, Cidaris catenifera, Cidaris cojimarensis, Cidaris cornaliae, Cidaris cubensis, Cidaris curioni, Cidaris dilleri, Cidaris dixiensis, Cidaris fasciculata, Cidaris flexuosa, Cidaris fumagalli, Cidaris georgiana, Cidaris grandaeva, Cidaris guembeli, Cidaris klipsteini, Cidaris liagora, Cidaris lorenzanus, Cidaris loveni, Cidaris martinezensis, Cidaris mazzettii, Cidaris merriami, Cidaris modestus, Cidaris moereus, Cidaris mortoni, Cidaris omboni, Cidaris ordinatus, Cidaris parastadifera, Cidaris perdubius, Cidaris perornata, Cidaris plumasensis, Cidaris remiger, Cidaris roemeri, Cidaris schlonbachi, Cidaris serrifera, Cidaris shastensis, Cidaris sinaiensis, Cidaris smithi, Cidaris splendens, Cidaris subnobilis, Cidaris subnodosa, Cidaris taylorensis, Cidaris tehamaensis, Cidaris texanus, Cidaris thouarsii, Cidaris tribuloides, Cidaris tubuloides, Cidaris vafellus, Cidaris wahalakensis, Cidarites tribuloides

Type specimen: Its type locality is Wilmington (Castle Hayne LS, N. Carolina), which is in a Bartonian marine wackestone/grainstone in the Castle Hayne Formation of North Carolina.

Ecology: slow-moving low-level epifaunal grazer-omnivore

Distribution:

• Eocene of United States (27: Alabama, North Carolina, South Carolina collections)

Total: 27 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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