Alternative spellings: Arca (Anadara), Scapharca (Anadara)
Synonyms: Anadara (Caloosarca) Olsson 1961, Anadara (Cunearca) Dall 1898, Anadara (Diluvarca) Woodring 1925, Anadara (Esmerarca) Olsson 1961, Anadara (Grandiarca) Olsson 1961, Anadara (Larkinia) Reinhart 1935, Anadara (Potiarca) Iredale 1939, Anadara (Scapharca) Gray 1847, Anadara (Sectiarca) Olsson 1961, Anadara (Tosarca) Noda 1965, Arca (Cunearca) Dall 1898, Arca (Diluvarca) Woodring 1925, Arca (Larkinia) Reinhart 1935, Arca (Scapharca) Gray 1847, Arca (Senilia) Gray 1840, Barbatia (Scapharca) Gray 1847, Caloosarca Olsson 1961, Cara Gray 1847, Cunearca Dall 1898, Diluvarca Woodring 1925, Diluvarca (Cunearca) Dall 1898, Esmerarca Olsson 1961, Grandiarca Olsson 1961, Imparilarca Iredale 1929, Larkinia Reinhart 1935, Potiarca Iredale 1939, Scapharca Gray 1847, Scapharca (Cunearca) Dall 1898, Sectiarca Olsson 1961, Senilia Gray 1840, Tosarca Noda 1965
Parent taxon: Anadarinae according to E. V. Coan et al. 2000
See also Barrios 1960, Bouchet et al. 2010, Coan and Valentich-Scott 2012, da Silva Forti 1969, del Rio 1992, Dockery 1982, DuBar 1958, Durham 1944, Faustman 1964, Gardner 1943, Gardner 1947, Glenn 1904, Harris and Palmer 1946, Hertlein and Grant 1972, Jensen 1996, Jung 1965, Lamprell and Healy 1998, Loel and Corey 1932, Marasti 1973, Maury 1917, Mikkelsen 2006, Moore 1983, Morales-Ortega et al. 2016, Mukerjee 1939, Novack-Gottshall 2025, Perrilliat 1992, Pilsbry and Olsson 1941, Reinhart 1943, Rosenberg et al. 2006, Sepkoski 2002, Tiwari 2001, Todd 2001, Vokes 1969, Vokes 1980, Ward 1992, Ward and Blackwelder 1987, Wienrich 1999, Woodring 1938 and Woodring 1973
Sister taxa: Dallarca, Hataiarca, Indacar, Mabelllarca, Nemoarca, Philippinarca, Samacar, Scapharcopsis, Scaphula, Tegilarca
Subtaxa: Anadara (Anadara) Anadara (Caloosarca) aequalitas Anadara (Caloosarca) biangulata Anadara (Caloosarca) crassicosta Anadara (Caloosarca) hoerleae Anadara (Caloosarca) mompicha Anadara (Caloosarca) notoflorida Anadara (Caloosarca) rustica 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 Anadara (Grandiarca) chiriquiensis Anadara (Grandiarca) garitensis Anadara (Grandiarca) patriarcha Anadara (Grandiarca) patricia Anadara (Grandiarca) usiacurii Anadara (Larkinia) notabilis Anadara (Larkinia) sellardsi Anadara (Larkinia) transversa Anadara (Lunarca) Anadara (Mabellarca) Anadara (Potiarca) saladillaensis Anadara (Rasia) Anadara (Scapharca) aviculaeformis Anadara (Scapharca) cepoides Anadara (Scapharca) inaequivalvis Anadara (Scapharca) labiosa Anadara (Scapharca) spiekeri Anadara (Sectiarca) floridana Anadara (Sectiarca) henekeni Anadara (Sectiarca) inaequilateralis Anadara (Sectiarca) margaretae Anadara (Sectiarca) marksi Anadara (Sectiarca) riogurabonica Anadara (Tegillarca) Anadara (Tosarca) campta Anadara (Tosarca) columba Anadara (Tosarca) tosaensis Anadara (Tosarca) veatchi 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 Arca (Cunearca) cacica Arca (Cunearca) cumanensis Arca (Cunearca) esmeralda Arca (Scapharca) aguadica Arca (Scapharca) collazica Arca (Scapharca) ecuadoriana Arca (Scapharca) hopkinsi Arca (Scapharca) sansebastiana Arca (Scapharca) weeksi Arca (Scapharca) wheeleri Arca (Senilia) senilis Cunearca lesueuri Cunearca scalarina Cunearca scalaris Cunearca silverdalensis Diluvarca (Cunearca) cardioides Imparilarca hubbardi Larkinia camuloensis Larkinia grandis Larkinia larkinii Larkinia multicostata Larkinia santana Potiarca bonplandiana Scapharca (Cunearca) crandalli Scapharca (Cunearca) cumanensis Scapharca (Cunearca) hamelini Scapharca (Cunearca) melloi Scapharca (Cunearca) rhombea Scapharca (Cunearca) rivulata Scapharca (Cunearca) santaclarana Scapharca (Cunearca) vanderhoofi Scapharca (Scapharca) Scapharca axelolssoni Scapharca broughtoni Scapharca chemnitzii Scapharca cornea Scapharca crashleyi Scapharca crassissima Scapharca eusphaera Scapharca inaequivalvis Scapharca meroensis Scapharca pertenuicosta Scapharca pinguescens Scapharca rustica Scapharca satowi Scapharca sedanensis Scapharca terhaari Scapharca tjilanangensis Scapharca vanwinkleae Scapharca zorritosensis
Type: Arca antiquata
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Quaternary of Angola (1 collection), Australia (2), Brazil (8), Cayman Islands (1), Colombia (1), Costa Rica (4), Cuba (1), Djibouti (6), the Dominican Republic (4), Ecuador (5), Egypt (2), Eritrea (1), French Polynesia (1), Haiti (1), Indonesia (2), Iran (1), Italy (4), Jamaica (1), Japan (14), Kenya (8), Mayotte (1), Mexico (5), Pakistan (3), Panama (4), Peru (4), the Philippines (1), Saudi Arabia (3), South Africa (2), Spain (1), Sudan (1), Taiwan (14), Tanzania (2), Thailand (1), United States (209: California, Delaware, Florida, Georgia, Louisiana, Maryland, Massachusetts, Mississippi, New Jersey, New York, North Carolina, South Carolina, Virginia), Uruguay (2), Vanuatu (3), Venezuela (3), Yemen (4)
• Blancan of United States (5: California)
• Pliocene to Pleistocene of Ecuador (1), Malaysia (9), United States (13: California, Florida)
• Pliocene of Algeria (2), Chile (1), Colombia (19), Costa Rica (25), Cyprus (1), the Dominican Republic (13), Ecuador (8), Greece (3), India (1), Indonesia (25), Italy (7), Jamaica (6), Japan (17), Mexico (7), Pakistan (7), Panama (22), Papua New Guinea (1), Peru (7), the Philippines (5), Portugal (1), the Russian Federation (1), Spain (5), Trinidad and Tobago (16), United States (102: California, Florida, North Carolina, South Carolina, Virginia), Venezuela (15)
• Miocene to Pliocene of the Dominican Republic (11), Indonesia (4), United States (17: California)
• Miocene of Algeria (9), Argentina (6), Belgium (9), Brazil (12), Bulgaria (6), Chile (1), Colombia (142), Costa Rica (1), Cyprus (1), the Dominican Republic (20), Ecuador (17), France (3), Germany (40), Greece (2), Haiti (4), India (26), Indonesia (19), Iran (2), Italy (9), Jamaica (1), Japan (40), Malta (1), Mexico (9), Morocco (7), the Netherlands (1), Pakistan (4), Panama (161), Papua New Guinea (3), Peru (19), the Philippines (2), Poland (3), Puerto Rico (1), Romania (2), the Russian Federation (9), Sao Tome and Principe (1), Slovakia (2), South Africa (1), Spain (1), Sri Lanka (2), Trinidad and Tobago (17), United States (183: California, Florida, Georgia, Maryland, New Jersey, North Carolina, Oregon, South Carolina, Virginia, Washington), Vanuatu (1), Venezuela (29)
• Oligocene to Miocene of Australia (1), Haiti (2), United States (7: California, Florida)
• Oligocene of Australia (1), Austria (1), Costa Rica (1), Ecuador (1), Haiti (1), Hungary (2), Japan (1), Mexico (1), Panama (1), Peru (2), Puerto Rico (3), Trinidad and Tobago (1), United States (90: Alabama, California, Florida, Mississippi, North Carolina, Washington), Venezuela (2)
• Eocene to Oligocene of Haiti (1)
• Eocene of Colombia (3), Germany (1), Indonesia (3), Mexico (1), Panama (2), Romania (1), the United Kingdom (1), United States (6: Louisiana, Mississippi, Oregon, Texas), Venezuela (1)
• Paleocene of Austria (1)
• Cretaceous of France (1)
Total: 1677 collections including 2481 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.