Scapharca (Cunearca) rivulata Wiedey 1928 (ark)

Bivalvia - Arcida - Arcidae

Alternative combination: Arca rivulata

Full reference: L. W. Wiedey. 1928. Notes on the Vaqueros and Temblor formations of the California Miocene with descriptions of new species. Transactions of the San Diego Society of Natural History 5(10):95-182

Belongs to Scapharca (Cunearca) according to E. J. Moore 1983

See also Wiedey 1928

Sister taxa: Anadara (Cunearca) berjadinensis, Anadara (Cunearca) bifrons, Anadara (Cunearca) boggsi, Anadara (Cunearca) brasiliana, Anadara (Cunearca) buenavista, Anadara (Cunearca) cacica, Anadara (Cunearca) caimitaca, Anadara (Cunearca) chemnitzioides, Anadara (Cunearca) corcupidonis, Anadara (Cunearca) ferruginea, Anadara (Cunearca) hindsi, Anadara (Cunearca) hispaniolana, Anadara (Cunearca) inutilis, Anadara (Cunearca) lloydi, Anadara (Cunearca) melita, Anadara (Cunearca) pittieri, Anadara (Cunearca) rhombea, Anadara (Cunearca) riocanensis, Anadara (Cunearca) telemba, Anadara (Cunearca) zorritensis, Anadara (Cunearca) zorritoensis, Arca (Cunearca) cacica, Arca (Cunearca) cumanensis, Arca (Cunearca) esmeralda, Cunearca lesueuri, Cunearca scalarina, Cunearca scalaris, Cunearca silverdalensis, Diluvarca (Cunearca) cardioides, Scapharca (Cunearca) crandalli, Scapharca (Cunearca) cumanensis, Scapharca (Cunearca) hamelini, Scapharca (Cunearca) melloi, Scapharca (Cunearca) rhombea, Scapharca (Cunearca) santaclarana, Scapharca (Cunearca) vanderhoofi, Imparilarca hubbardi

Type specimen: SDSNH 20, a valve. Its type locality is LSJU loc. 432, which is in a Miocene coastal sandstone in the Temblor Formation of California.

Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Miocene of United States (2: California collections)

Total: 2 collections each including a single occurrence

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