Lithopoma tectum

Lithopoma tectum, common name the West Indian starsnail, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.[1]

Lithopoma tectum
Four shells of Lithopoma tectum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Turbinidae
Genus: Lithopoma
Species:
L. tectum
Binomial name
Lithopoma tectum
(Lightfoot, 1786)
Synonyms
  • Astraea cubanum Philippi, 1849
  • Astraea imbricatum Gmelin, 1791
  • Astraea olfersii Philippi, 1850
  • Astraea papillatum Potiez & Michaud, 1838
  • Astraea tectum Lightfoot, 1786
  • Astralium guadeloupense Crosse, 1865
  • Calcar olfersii Philippi, 1850
  • Imperator cubanum Philippi, 1849
  • Pachypoma cubanum Philippi, 1849
  • Trochus corolla Reeve, 1861
  • Trochus cubanus Philippi, 1849
  • Trochus imbricatus Gmelin, 1791
  • Trochus olfersii Philippi, 1850
  • Trochus papillatus Potiez & Michaud, 1838
  • Trochus papillosus Philippi, 1850
  • Trochus saxosus Philippi, 1850
  • Trochus tectus Lightfoot, 1786 (original combination)
  • Trochus tuberosus Philippi, 1843
  • Turbo ramosus Mörch, 1852

Distribution

This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles; in the Atlantic Ocean off Brazil.

Description

The maximum recorded shell length is 63 mm.[2]

The imperforate, solid shell has an elevated-conic shape. It is longitudinally subobliquely crinkled. Its color pattern is reddish orange, marked in places with white and olivaceous. The suture is impressed and irregular. The 6½ whorls are subplanulate above, slightly concave in the middle. The apical one or two are smooth, the following longitudinally plicate. The folds are cut in the middle by two impressed spiral lines, projecting at the carinated periphery, and about twenty-three in number on the body whorl. The base of the shell is nearly flat with radiating stripe and five subgranose lirae. The aperture is oblique and rhomboidal. The white columella is arcuate and bidentate at its base. The umbilical tract is pale violaceous, bounded by a plicate cordon. The operculum is convex on its outside, with a median rib, minutely granulose, and excavated near the middle.[3]

Habitat

The minimum recorded depth is 0 m; the maximum recorded depth is 10 m.[2]

gollark: Great, I "fixed" it.
gollark: Oh, no, the `nil` metatable thing is not actually to patch any bug, it just introduces new ones.
gollark: The root of it seems to be that one of your tables is nil.
gollark: Well, ish.
gollark: Yes, it is as I thought, that should be fixable.

References
  1. Lithopoma tectum (Lightfoot, 1786). Retrieved through: World Register of Marine Species on 9 September 2012.
  2. Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  3. G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Astralium guadeloupense)
  • Turgeon, D.D., et al. 1998. Common and scientific names of aquatic invertebrates of the United States and Canada. American Fisheries Society Special Publication 26 page(s): 59
  • Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
  • 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.
  • "Lithopoma tectum tectum". Gastropods.com. Retrieved 16 January 2019.
Drawing with two views of a shell of Lithopoma tectum
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