Alternative spelling: Arca (Trisidos)
Parent taxon: Arcinae according to H. E. Vokes 1980
See also Grant, IV and Gale 1931, Lamprell and Healy 1998, Mukerjee 1939, Sepkoski 2002 and Tiwari 2001
Sister taxa: Acar, Arca, Calloarca, Destacar, Eonavicula, Epitrisis, Lamarcka, Mimarcaria, Miratacar, Nipponarca, Opularca, Plagiarca, Thronacar
Subtaxa: Trisidos semitorta Trisidos tortuosa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Japan (2 collections), Pakistan (1), Taiwan (4)
• Pliocene to Pleistocene of Malaysia (3)
• Pliocene of Indonesia (2), Pakistan (1)
• Miocene of India (10), Indonesia (3), Pakistan (2), the Philippines (2)
• Oligocene of Hungary (1), Pakistan (2)
Total: 33 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.