Alternative spelling: Rasia
Parent taxon: Anadara according to J. A. Todd 2001
See also Coan et al. 2000, del Rio 1992, Sepkoski 2002, Vokes 1980, Ward 1992 and Woodring 1973
Sister taxa: Anadara (Anadara), Anadara (Caloosarca), Anadara (Cunearca), Anadara (Diluvarca), Anadara (Esmerarca), Anadara (Grandiarca), Anadara (Larkinia), Anadara (Lunarca), Anadara (Mabellarca), Anadara (Potiarca), Anadara (Sectiarca), Anadara (Tegillarca), Anadara (Tosarca), 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 santana, Anadara suboblonga, Anadara trilineata, Anadara tuberculosa, Anadara uropigimelana, Anadara woodringi, Arca (Anadara) heterosculpta
Subtaxa: Anadara (Rasia) actinophora Anadara (Rasia) andrewsi Anadara (Rasia) athroa Anadara (Rasia) bravardi Anadara (Rasia) carmenensis Anadara (Rasia) cercadica Anadara (Rasia) charcoazulensis Anadara (Rasia) corcupidonis Anadara (Rasia) cornellana Anadara (Rasia) costaricensis Anadara (Rasia) dariensis Anadara (Rasia) democraciana Anadara (Rasia) emarginata Anadara (Rasia) fissicosta Anadara (Rasia) golfoyaquensis Anadara (Rasia) guayubinica Anadara (Rasia) honensis Anadara (Rasia) inaequilateralis Anadara (Rasia) lienosa Anadara (Rasia) lita Anadara (Rasia) medioamericana Anadara (Rasia) mirandana Anadara (Rasia) mississippiensis Anadara (Rasia) sechurana Anadara (Rasia) springvalensis Anadara (Rasia) tamarana Anadara (Rasia) tirantensis Anadara (Rasia) wiedenmayeri Anadara (Rasia) zuliana Rasia arata
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Quaternary of Costa Rica (3 collections), Panama (1), United States (23: Florida, North Carolina, South Carolina)
• Pliocene to Pleistocene of United States (1: Florida)
• Pliocene of Colombia (4), Costa Rica (11), the Dominican Republic (11), Ecuador (1), Jamaica (5), Mexico (1), Panama (17), United States (15: Florida, North Carolina, South Carolina)
• Miocene to Pliocene of the Dominican Republic (11)
• Miocene of Argentina (1), Colombia (35), Costa Rica (1), the Dominican Republic (11), Ecuador (1), Haiti (1), Panama (149), Peru (8), Puerto Rico (1), Trinidad and Tobago (1), United States (10: Florida, Maryland, New Jersey, Virginia), Venezuela (15)
• Oligocene to Miocene of Haiti (1)
• Oligocene of Panama (1), United States (1: Mississippi), Venezuela (1)
• Eocene to Oligocene of Haiti (1)
• Eocene of Colombia (1), Panama (2)
Total: 346 collections including 413 occurrences