Monoplex pilearis (Linnaeus, 1758)

Figs 7 L–M

Murex pileare Linnaeus, 1758: 749 .

Cymatium (Monoplex) pileare: Beu 1998: figs 33d–e, 34c (full synonymy); Okutani 2000: 286 –287, pl. 142, fig. 13; Thach 2005: 105, pl. 29, fig. 3, pl 30, fig. 10; Poppe 2008a: 246 –247, pl. 268, figs 6, 8, 9, 11.

Monoplex pilearis: Zvonareva et al. 2015: 9 .

Material examined. Dam Bay, mangrove plantation, 5 specimens.

Abundance. Uncommon.

Measurements. Up to 130 mm (Thach 2005).

Ecological notes. On intertidal rocky bottom (Okutani 2000). In studied sites it was found on rocks and seedling stems in lowest part of intertidal zone.

Relation to mangroves. Eurybiotic.

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

General distribution. Throughout the IWP (Beu 1998).