Netastoma japonicum ( Yokoyama, 1920 )

Lisitsyna, Kseniya N. & Kamenev, Gennady M., 2024, New and rare bivalve species for the fauna of the Kuril Islands (northwestern Pacific Ocean): A study of materials collected over 70 years of expeditions (from 1949 to 2019), Zootaxa 5523 (2), pp. 231-253 : 246

Netastoma japonicum ( Yokoyama, 1920)

( Fig 4. M–P )

Jouannetia japonica Yokoyama, 1920: 105–106 , pl. 7, fig. 1.

Netastoma japonicum ( Yokoyama, 1920) — Coan, Valentich-Scott & Bernard 2000: 502, pl. 107.

Material examined: two specimens from the South Kuril Strait (25 m) .

Distribution: Korea; Japan; Sea of Japan; Sea of Okhotsk; South Kuril Strait; Gulf of Alaska; Queen Charlotte Islands, British Columbia to Cape Flattery, Washington (5–305 m) ( Scarlato 1981; Coan, Valentich-Scott & Bernard 2000; Okutani 2000; Kantor & Sysoev 2005; Lutaenko & Noseworthy 2012; Haga 2017).

Remarks: This is a new record from the region of the Kuril Islands.

Figures

FIGURE 4. New and rare bivalve species for the fauna of the Kuril Islands. (A, B) Macoma torelli (Kunashir Island, 220 m, shell length 16.0 mm). (C, D) Kellia comandorica (Urup Island, 20 m, shell length 13.2 mm). (E, F) Kellia kussakini (Urup Island, 10 m, shell length 3.8 mm). (G, H) Adontorhina cyclia (Kunashir Island, 200 m, shell length 2.2 mm). (I–L) Adontorhina inflata (Zelyony Island, 1,742 m): I, exterior view of right valve (shell length 1.4 mm); J–L, scanning electron micrographs: (J) right valve (interior view), (K) both valves (dorsal view; RV up), (L) hinge plate of right valve. (M, P) Netastoma japonicum (South Kuril Strait, 25 m, shell length 12.7 mm). Scale bars: J–L=100 μm.