Bolma modesta

Bolma modesta
Shell of Bolma modesta (Reeve, 1843), with operculum measuring 45.6 mm in height by 50.6 mm diameter, taken by tangle nets at 30 m off Point Daio, in Japan.
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Family:	Turbinidae
Genus:	Bolma
Species:	B. modesta
Binomial name
Bolma modesta (Reeve, 1843)
Synonyms [1]
Astralium (Bolma) modestus var. girgyllus(Reeve, 1843) Trochus modestusReeve, 1843 (original combination)

A shell of Bolma modesta, with a Crepidula sp. attached.

Bolma modesta, common name the modest bolma, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. ^[1]

Description

The size of the shell varies between 33 mm and 55 mm. The imperforate, orange-rose shell is conically turbinated. The whorls are convexly sloping, then encircled with two rows of scales, papillary grained throughout. The base of the shell is rather flat, tinged with chrome orange. ^[2]

Distribution

This marine species occurs off Japan, China and Taiwan

References

1. Bolma modesta (Reeve, 1843) . Retrieved through: World Register of Marine Species  on 10 September 2012.
2. G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Astralium modestus)

• Schepman 1908-1913, The Prosobranchia of the Siboga Expedition; Leyden,E. J. Brill,1908-13
• Williams, S.T. (2007). Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592.
• Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1–82, pls 104-245

External links

• Beu A.G. & Ponder W.F. (1979) A revision of the species of Bolma Risso, 1826 (Gastropoda: Turbinidae). Records of the Australian Museum 32(1): 1–68. [31 May 1979]
• "Bolma (Bolma) modesta". Gastropods.com. Retrieved 15 January 2019.