Rhyssoplax venusta Hull, 1923

Sirenko, Boris I. & Zhang, Junlong, 2019, Chitons (Mollusca: Polyplacophora) of Hainan Island and vicinity, South China Sea, Zootaxa 4564 (1), pp. 1-40 : 9

Rhyssoplax venusta Hull, 1923

( Fig. 2F )

Rhyssoplax venusta Hull 1923: 165 , pl. 26, figs 1–4, 9–12; Dawydoff 1952: 113; Sirenko 2012: 71, pl. 12 F; figs 16, 17.

Chiton (Rhyssoplax) venusta ; Leloup 1952: 56, text-fig. 19, pl. 5, fig. 1, pl. 6, fig.2.

Chiton (Rhyssoplax) venustus ; Kaas & Van Belle 1980: 139; 1998: 196; Kaas et al. 2006: 229, fig. 92, map 37 (bibliography and synonymy).

Type material. Holotype ( AM).

Type locality. Queensland, Keppel Bay, Emu Park .

Material examined. South China Sea. Guangxi Province of China, MBM 100143, 18– 23 m, 2 spms, BL 9.0–11.5 mm, 26.05.1978.

Distribution. Northeastern Queensland, Vietnam (from Cau to Cat Ba islands) and Guangxi Province of South China.

Remarks. The species is rather abundant in Vietnamese part of the Beibu Gulf (Gulf of Tongkin). In the Guangxi Province the species was documented for the first time.

Figures

FIGURE 2. Complete specimens of species of genera Callochiton, Ischnochiton, Lepidozona and Rhyssoplax: A. Callochiton multidentatus, Hainan, stn 27, BL 5.5 mm; B. Ischnochiton boninensis, Fujian Province, BL 17.0 mm; C. Ischnochiton comptus, Hainan, stn 29, BL 12.0 mm; D. Lepidozona coreanica, Hainan, stn 2, BL 22.0 mm; E. Rhyssoplax komaiana, Hainan, 57-1051, BL 12.0 mm; F. Rhyssoplax venusta, Guangxi Province, BL 11.5 mm.