Astrodapsis whitneyi Rémond 1863 (sand dollar)

Echinoidea - Clypeasteroida - Echinarachniidae

Synonyms: Astrodapsis californicus Kew 1920, Astrodapsis coalingaensis Kew 1920, Astrodapsis cuyamanus Kew 1920, Astrodapsis grandis Kew 1920

Full reference: A. Rémond. 1863. Description of four new species of Echinodermata, from the Tertiaries of Contra Costa County. Proceedings of the California Academy of Sciences 3:52-54

Belongs to Astrodapsis according to C. A. Hall 1962

See also Clark and Twitchell 1915, Gabb 1866, Grant and Hertlein 1938, Kew 1915, Kew 1920, Merriam 1899 and Rémond 1863

Sister taxa: Astrodapsis antiselli, Astrodapsis arnoldi, Astrodapsis brewerianus, Astrodapsis cierboensis, Astrodapsis davisi, Astrodapsis depressus, Astrodapsis diabloensis, Astrodapsis fernandoensis, Astrodapsis fresnoensis, Astrodapsis israelskyi, Astrodapsis jacalitosensis, Astrodapsis kewi, Astrodapsis pabloensis, Astrodapsis peltoides, Astrodapsis spatiosus

Type specimens:

  • Astrodapsis whitneyi: Its type locality is Kirker Pass, which is in a Rupelian marine sandstone in the Kirker Formation of California
  • Astrodapsis californicus: UCMP 11354.
  • Astrodapsis coalingaensis: UCMP 11045.
  • Astrodapsis cuyamanus: UCMP 11045.
  • Astrodapsis grandis: UCMP 11046 and 11047 (cotypes).

Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Miocene of United States (6: California collections)

• Oligocene of United States (1: California)

Total: 7 collections including 8 occurrences

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Specimen images are retrieved through the ePANDDA API.


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