Littoraria intermedia ( Philippi, 1846 )

Zvonareva, Sofya & Kantor, Yuri, 2016, Cheсklist of gastropod molluscs in mangroves of Khanh Hoa province, Vietnam, Zootaxa 4162 (3), pp. 401-437 : 419

Littoraria intermedia ( Philippi, 1846)

Figs 6 Y–Z, AA–AB

Littorina intermedia Philippi, 1846: 141 .

Littoraria (Littorinopsis) intermedia: Reid 1986: 124 –135, figs 43–47 (full synonymy); Okutani 2000: 138 –139, pl. 69, fig. 17. Littoraria intermedia: Lozouet & Plaziat 2008: 116 –117, pl. 22, figs 7–8; Zvonareva et al. 2015: 8, fig. 3(2).

Material examined. Nha Phu Bay, Dam Bay, natural mangroves, 5 specimens.

Abundance. Uncommon.

Measurements. Up to 32 mm ( Reid 1986).

Ecological notes. Ovoviviparous species ( Reid 1986).

An oceanic species. Typically on trunks and roots throughout Rhizophora forest, occasionally on other trees, 0.3– 2 m above the ground. Rather common on sheltered rocks ( Reid 1986).

In studied sites it was found on trunks and roots of mature Rhizophora trees.

Relation to mangroves. Predominantly mangrove-associated.

Distribution in Vietnam. Central coast.

General distribution. Throughout the tropical and subtropical Indo-Pacific ( Reid 1986).

Figures

FIGURE 6. A – B. Monetaria moneta (26 mm). C – D. Monetaria annulus (25 mm). E – F. Sermyla riqueti (10 mm). G – H. Sermyla riqueti (7 mm). I – J. Littoraria lutea (36 mm). K – L. Littoraria lutea (23 mm). M – N. Littoraria lutea (29 mm). O – P. Littoraria ardouiniana (16 mm). Q – R. Littoraria scabra (36 mm). S – T. Littoraria carinifera (18 mm). U – V. Littoraria pallescens (24 mm). W – X. Littoraria pallescens (12 mm). Y – Z. Littoraria ardouiniana (14 mm). AA – AB. Littoraria intermedia (14 mm).