Rhinoclavis vertagus ( Linnaeus, 1758 )

Zvonareva, Sofya & Kantor, Yuri, 2016, Cheсklist of gastropod molluscs in mangroves of Khanh Hoa province, Vietnam, Zootaxa 4162 (3), pp. 401-437 : 411-412

Rhinoclavis vertagus ( Linnaeus, 1758)

Figs 4 K–L

Murex vertagus Linnaeus 1767: 1225 , no. 571.

Rhinoclavis vertagus: Houbrick 1978: 286 –289, pl. 1, figs 1–5; pls 9–12 (full synonymy); Okutani 2000: 120 –121, pl. 60, fig. 36; Poppe 2008a: 296 –297, pl. 93, fig. 12; Thach 2005: 46, pl. 9, fig.16; Zvonareva et al. 2015: 8.

Material examined. Dam Bay, mangrove plantation, 2 specimens.

Abundance. Rare.

Measurements. Up to 72 mm ( Thach 2005).

Ecological notes. Reproduction with planktonic stage of unknown duration ( Houbrick 1978).

Lives in muddy or sandy intertidal and upper subtidal habitats. Buries and moves under the sediment surface. Gut is usually filled with sand grains and detrital particles ( Houbrick 1978).

In studied sites two specimens of this species were found on the mud surface of lowest part of intertidal zone.

Relation to mangroves. Eurybiotic.

Distribution in Vietnam. Central coast, southern delta ( Thach 2005).

General distribution. From south-east Asia to northern Australia, east to New Hebrides and north to the Ryukyu Is. ( Houbrick 1978).

Figures

FIGURE 4. A – B. Clypeomorus batillariaeformis (19 mm). C – D. Clypeomorus bifasciata (12 mm). E – F. Clypeomorus pellucida (22 mm). G – H. Cerithium coralium (25 mm). I – J. Cerithium traillii (40 mm). K – L. Rhinoclavis vertagus (53 mm). M – N. Batillaria sp. (27 mm). O. Batillaria sp. (30 mm). P. Batillaria sp. (29 mm). Q – R. Planaxis sulcatus (22 mm).