Bivalvia - Arcida - Arcidae

Alternative combinations: Anadara (Cunearca) hamelini, Arca (Anadara) hamelini, Arca hamelini

Synonyms: Arca (Anadara) sespeensis Wiedey 1928, Arca sespeensis Wiedey 1928

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 Loel and Corey 1932, Reinhart 1943 and Wiedey 1928

Sister taxa: Anadara (Anadara), Anadara (Lunarca), Anadara (Mabellarca), Anadara (Rasia), Anadara (Tegillarca), Anadara aequatorialis, Anadara aequicostata, Anadara baughmani, Anadara callicestosa, Anadara campsa, Anadara concinna, Anadara congesta, Anadara craticulata, Anadara crebricostata, Anadara cretacea, Anadara dasia, Anadara daviesi, Anadara fichteli, Anadara firmata, Anadara formosa, Anadara garoensis, Anadara gourae, Anadara guayubinica, Anadara halidonata, Anadara hermidermos, Anadara jacksoni, Anadara kroensis, Anadara macneili, Anadara magnoliana, Anadara molengraaffii, Anadara montereyana, Anadara mummi, Anadara nugax, Anadara nux, Anadara obesa, Anadara obliquidens, Anadara osmonti, Anadara panensis, Anadara perlabiata, Anadara preangerensis, Anadara prephina, Anadara protracta, Anadara quilonensis, Anadara reinharti, Anadara riogurabonica, Anadara suboblonga, Anadara trilineata, Anadara tuberculosa, Anadara uropigimelana, Anadara woodringi, Arca (Anadara) heterosculpta, Anadara (Potiarca) saladillaensis, Potiarca bonplandiana, Anadara (Sectiarca) marksi, Anadara (Sectiarca) inaequilateralis, Anadara (Sectiarca) floridana, Anadara (Sectiarca) margaretae, Anadara (Sectiarca) riogurabonica, Anadara (Sectiarca) henekeni, Anadara (Tosarca) columba, Anadara (Tosarca) veatchi, Anadara (Tosarca) tosaensis, Anadara (Tosarca) campta, Anadara (Grandiarca) chiriquiensis, Anadara (Grandiarca) patricia, Anadara (Grandiarca) patriarcha, Anadara (Grandiarca) usiacurii, Anadara (Grandiarca) garitensis, Anadara (Caloosarca) hoerleae, Anadara (Caloosarca) rustica, Anadara (Caloosarca) crassicosta, Anadara (Caloosarca) mompicha, Anadara (Caloosarca) aequalitas, Anadara (Caloosarca) biangulata, Anadara (Caloosarca) notoflorida, Anadara (Scapharca) cepoides, Scapharca eusphaera, Arca (Scapharca) sansebastiana, Scapharca rustica, Scapharca pinguescens, Scapharca terhaari, Scapharca (Scapharca), Scapharca zorritosensis, Arca (Scapharca) aguadica, Anadara (Scapharca) inaequivalvis, Scapharca meroensis, Scapharca vanwinkleae, Arca (Scapharca) hopkinsi, Scapharca tjilanangensis, Scapharca cornea, Scapharca satowi, Scapharca crassissima, Scapharca broughtoni, Arca (Scapharca) weeksi, Anadara (Scapharca) spiekeri, Scapharca crashleyi, Scapharca chemnitzii, Scapharca pertenuicosta, Arca (Scapharca) collazica, Anadara (Scapharca) labiosa, Scapharca sedanensis, Arca (Scapharca) ecuadoriana, Scapharca axelolssoni, Arca (Scapharca) wheeleri, Anadara (Scapharca) aviculaeformis, Scapharca inaequivalvis, Larkinia larkinii, Anadara (Larkinia) sellardsi, Larkinia grandis, Larkinia santana, Anadara (Larkinia) transversa, Larkinia camuloensis, Anadara (Larkinia) notabilis, Larkinia multicostata, Arca (Senilia) senilis, Scapharca (Cunearca) rhombea, Scapharca (Cunearca) rivulata, Anadara (Cunearca) lloydi, Arca (Cunearca) esmeralda, Anadara (Cunearca) boggsi, Cunearca silverdalensis, Anadara (Cunearca) ferruginea, Anadara (Cunearca) riocanensis, Anadara (Cunearca) buenavista, Anadara (Cunearca) brasiliana, Cunearca scalaris, Scapharca (Cunearca) cumanensis, Anadara (Cunearca) zorritensis, Anadara (Cunearca) caimitaca, Anadara (Cunearca) zorritoensis, Scapharca (Cunearca) vanderhoofi, Anadara (Cunearca) cacica, Scapharca (Cunearca) crandalli, Anadara (Cunearca) hispaniolana, Anadara (Cunearca) bifrons, Cunearca lesueuri, Scapharca (Cunearca) santaclarana, Cunearca scalarina, Anadara (Cunearca) berjadinensis, Arca (Cunearca) cacica, Diluvarca (Cunearca) cardioides, Anadara (Cunearca) hindsi, Arca (Cunearca) cumanensis, Anadara (Cunearca) rhombea, Anadara (Cunearca) telemba, Anadara (Cunearca) melita, Anadara (Cunearca) pittieri, Anadara (Cunearca) inutilis, Anadara (Cunearca) chemnitzioides, Scapharca (Cunearca) melloi, Anadara (Cunearca) corcupidonis, Imparilarca hubbardi

Type specimens:

• Scapharca (Cunearca) hamelini: SDSNH 18, a valve. Its type locality is LSJU loc. 407, which is in a Miocene coastal sandstone in the Vaqueros Formation of California.
• Arca sespeensis: SDSNH 17, a valve. Its type locality is LSJU loc. 407, which is in a Miocene coastal sandstone in the Vaqueros Formation of California.

Ecology: facultatively mobile semi-infaunal suspension feeder

Distribution:

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Specimen images are retrieved through the ePANDDA API.