Alternative spelling: Tegillarca
Parent taxon: Anadara according to G. Rosenberg et al. 2006
See also Sepkoski 2002
Sister taxa: Anadara (Anadara), Anadara (Caloosarca), Anadara (Cunearca), Anadara (Diluvarca), Anadara (Esmerarca), Anadara (Grandiarca), Anadara (Larkinia), Anadara (Lunarca), Anadara (Mabellarca), Anadara (Potiarca), Anadara (Rasia), Anadara (Sectiarca), 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 suboblonga, Anadara trilineata, Anadara tuberculosa, Anadara uropigimelana, Anadara woodringi, Arca (Anadara) heterosculpta
Subtaxa: Anadara (Tegillarca) granosa Anadara (Tegillarca) nodifera
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Quaternary of Japan (3 collections), Pakistan (1), Taiwan (1), Thailand (1)
• Pliocene of Indonesia (8), Pakistan (2), Papua New Guinea (1), the Philippines (1)
• Miocene of India (3), Indonesia (2), Pakistan (1), Papua New Guinea (1), the Philippines (1)
Total: 26 collections each including a single occurrence