Cerithidea moerchii ( A. Adams, 1855 )

Zvonareva, Sofya & Kantor, Yuri, 2016, Cheсklist of gastropod molluscs in mangroves of Khanh Hoa province, Vietnam, Zootaxa 4162 (3), pp. 401-437 : 412-414

Cerithidea moerchii ( A. Adams, 1855)

Figs 5 K–N

Cerithium moerchii A. Adams, 1855: 888 , pl. 186, fig. 283.

Cerithidea moerchii: Reid 2014: 52 –55, figs 2E, 14B, 15J–AA (full synonymy).

Material examined. Nha Phu Bay, about 30 specimens.

Abundance. Common.

Measurements. Up to 46.6 mm ( Reid 2014).

Ecological notes. Development with planktotrophic stage of 12 to 20 days ( Reid 2014).

Lives on firm or sandy mud and stones of tidal flats, in the open or under mangroves; often at river mouths and in tidal creeks; among salt-tolerant grasses and Phragmites reeds behind mud flats; sometimes on trunks of mangroves including Kandelia and Rhizophora ( Reid 2014) .

In studied sites it was found on sediment surface between mangrove trees as well as on sand banks of streams. Relation to mangroves. Predominantly mangrove-associated.

Distribution in Vietnam. Northern-east coast, central coast ( Reid 2014).

General distribution. From south Japan to Vietnam ( Reid 2014).

Figures

FIGURE 5. A – B. Pirenella incisa (22 mm). C – D. Pirenella incisa (25 mm). E – F. Pirenella microptera (22 mm). G – H. Pirenella cingulata (22 mm). I – J. Pirenella cingulata (16 mm). K – L. Cerithidea moerchii (31 mm). M – N. Cerithidea moerchii (27 mm). O. Cerithidea quoyii (43 mm). P. Cerithidea quoyii (41 mm). Q – R. Cerithidea quoyii (35 mm). S – T. Terebralia sulcata (43 mm).