Pseudodaphnella nexa explained

Pseudodaphnella nexa is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

Description

The length of the shell varies between 10 mm and 20 mm.

The whorls are rounded, plicately ribbed, encircled with fine narrow cords, becoming nodulous on crossing the ribs. The outer lip is flattened. The sinus is broad-whitish, stained with chestnut. The cords are darker chestnut or chocolate.^[1]

Distribution

This marine species occurs in the Indo-West Pacific and off India, the Philippines, Christmas Island and in the China Seas and off Queensland, Australia.

References

• Reeve, L.A. 1845. Monograph of the genus Pleurotoma. pls 20–33 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 1.
• Powell, A.W.B. 1966. The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species. Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23
• Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp

External links

• Tucker . J.K.. 2004 . Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa. 682. 1–1295. 10.11646/zootaxa.682.1.1.
• MNHN. Paris: specimen
• N. V. Subba Rao "Indian Seashells—Polyplacophora and Gastropoda (1)"; Records of the Zoological Survey of India; Occasional Paper No. 192

Notes and References

1. https://archive.org/details/manualconch06tryorich G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences