Alternative spelling: Potiarca
Parent taxon: Anadara according to J. A. Todd 2001
See also Vokes 1980
Sister taxa: Anadara (Anadara), Anadara (Caloosarca), Anadara (Cunearca), Anadara (Diluvarca), Anadara (Esmerarca), Anadara (Grandiarca), Anadara (Larkinia), Anadara (Lunarca), Anadara (Mabellarca), Anadara (Rasia), 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 (Potiarca) saladillaensis Potiarca bonplandiana
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Quaternary of Venezuela (2 collections)
• Pliocene of Costa Rica (3), Panama (1), Venezuela (2)
• Miocene to Pliocene of the Dominican Republic (1)
• Miocene of Argentina (2), Colombia (1), the Dominican Republic (6), Panama (42), Venezuela (1)
Total: 61 collections each including a single occurrence