Bolma modesta

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]

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
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Turbinidae
Genus: Bolma
Species:
B. modesta
Binomial name
Bolma modesta
(Reeve, 1843)
Synonyms[1]
  • Astralium (Bolma) modestus var. girgyllus (Reeve, 1843)
  • Trochus modestus Reeve, 1843 (original combination)
A shell of Bolma modesta, with a Crepidula sp. attached.

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

gollark: I'm not clear exactly what everyone is doing, but:- Ojas and someone are doing mechanical/hardware design, which is general to basically all the challenges- me and Aidan are doing cameras and sensors, which generalizes to most of them- actually I have no idea if anyone else is doing anything
gollark: Only because lots of people are effectively just ignoring the team divisions.
gollark: I don't think mr wilde will mind if we come up with a better way to organize stuff and explain why.
gollark: What?
gollark: Good news! It turns out that the MPU6050 *does* have drivers which are compatible with the DMP thing and will actually run on the Pi! Unfortunately they are poorly documented C++!

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
  • 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.
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