Neocollonia pilula explained

Neocollonia pilula is a species of sea snail, a marine gastropod mollusk in the family Colloniidae.

Subspecies:

• Neocollonia pilula rosa (Pilsbry, 1904) : synonym of Planacollonista rosa (Pilsbry, 1904) (superseded combination)

Description

The shell grows to a size of 5 mm.

(Description of Monilea inepta, originally in Latin) The small, solid, ovate-conical shell is encircled by articulated threads, one of which is more prominent, in rosy or clay-colored hues with paler intervals. The sutural region is tessellated, with 4 convex whorls and a blunt apex. The base is convex, with a moderate, plicate umbilicus encircled by a whitish band. The aperture is circular with a thick, simple lip, and the columella is smooth.^[1]

Distribution

This marine species occurs off South Japan, China; off Papua New Guinea and the Philippines. It has also been recorded in the Red Sea and off Madagascar.

References

• Thiele . J. . Revision des Systems der Trochacea . Mitteilungen aus dem Zoologischen Museum in Berlin . 1924 . 11 . 1 . 63, 71.
• Dudgeon, D.; Morton, B. (1982). The coral associated Mollusca of Tolo Harbour and Channel, Hong Kong. In: Morton B, editor. Proceedings of the first international marine biological workshop: The marine flora and fauna of Hong Kong and southern China. Hong Kong University Press, Hong Kong. 2: 627–650.
• Bosch D.T., Dance S.P., Moolenbeek R.G. & Oliver P.G. (1995) Seashells of eastern Arabia. Dubai: Motivate Publishing. 296 pp
• Zuschin, M., Janssen, R. & Baal, C. (2009). Gastropods and their habitats from the northern Red Sea (Egypt: Safaga). Part 1: Patellogastropoda, Vetigastropoda and Cycloneritimorpha. Annalen des Naturhistorischen Museums in Wien 111[A]: 73–158. page(s): 106
• Book: Poppe, G.T., Tagaro, S.P. & Huang, S.-I. . The recent Colloniidae with a study of the Colloniidae collected by various expeditions of the Muséum national d'Histoire naturelle, Paris . 2023 . Conchbooks . Harxsheim . 1–372.

External links

• Dunker . W. . Neue japanische Mollusken. . Malakozoologische Blätter . 1860 . 6 . 226 . 14 September 2024.
• Sowerby . G.B. III . Descriptions of new species of marine shells from the neighbourhood of Hong-Kong . Proceedings of the Malacological Society of London . 1894 . 1 . 4 . 158 .
• Dunker . W. . Neue japanische Mollusken . Malakozoologische Blätter . 1860 . 6 . 226 .
• Adams . A. . On some new genera and species of Mollusca from the North of China and Japan. . Annals and Magazine of Natural History . 1861 . 3 . 8 . 244 .
• Sabelli . S. . The "Bothropoma" species in the Red Sea . Bollettino Malacologico. . 2023 . 59 . 2 . 217 .

Notes and References

1. Gould . A.A. . Description of new shells collected by the United States North Pacific Exploring Expedition. . Proceedings of the Boston Society of Natural History . 1861 . 7 . 18 . 16 .