Terebratalia coreanica (Adams et Reeve, 1850)

Terebratula coreanica Adams, Reeve, 1850: 71, pl. 21, fig. 3; Davidson, 1887: 81–83, pl. 13, figs. 3–4.

Terebratalia coreanica Dall, 1920: 345.

Terebratalia coreanica coreanica Konzhukova, 1957: 27–28, pl.2, figs. 8–15.

Description. Shells are up to 46 mm in diameter, round or oval in length direction. Brachial valve is concave along middle line, pedal valve has proper keel-shaped prominence. Deltidial plates are triangular, they meet each other anteriorly but never conjunct. Shell is entirely orange-red or is coloured with white and red radial rays. Concentric lines of growth are marked with intensive red tint.

Distribution. Geographic range of the species is stretched along Pacific coast of Asia from Quingdao (China) to Rynda Bay (Primorye), the species is known also near southern-east coast of Sakhalin and near the Japanese Islands from the Tsugaru Strait to the Korea Strait. A single specimen was found near the coast of Primorye (Rynda Bay) without data on the depth (Konzhukova, 1957).

Ecological data. The species lives at the depths of 13–287 m.

References:

The World Register of Marine Species