Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Contradentina | Physunio superbus
Physunio superbus (Lea, 1843), Asia, Mekong Basin/Mekong R. Thailand, Surin, [Unknown body of water], not far from Mekong River, Northeast Thailand, not too far from Cambodia border, [point estimated at Khong Chiam] 15.6° N, 105.6° E
