Tegula rugosa

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Tegula rugosa
Tegula rugosa 001.jpg
Drawing with an apertural view of a shell of Tegula rugosa
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Tegulidae
Genus: Tegula
Species:
T. rugosa
Binomial name
Tegula rugosa
(A. Adams, 1853) [1]
Synonyms

Chlorostoma rugosumA. Adams, 1851 (original combination)

Contents

Tegula rugosa, common name the rough top shell, is a species of sea snail, a marine gastropod mollusk in the family Tegulidae. [2] [3]

Distribution

This marine species occurs off Lower California and the Gulf of California.

Description

Tegula rugosa shells. Naturalis Biodiversity Center - RMNH.MOL.142774 - Tegula rugosa (Adams, 1851) - Turbinidae - Mollusc shell.jpeg
Tegula rugosa shells.

The height of the shell attains 26 mm, its diameter 27 mm. Some are larger with a height of 50 mm. The solid, heavy shell is narrowly umbilicate and has a conoidal shape. It is dull cinereous, more or less variegated by brown, blackish or red streaks. The spire is conoidal, generally eroded and white or yellow at the apex. The about 5 whorls are obliquely striate, radiately coarsely and irregularly plicate and rugose above, sometimes nearly smooth. The periphery is rounded. The base of the shell is convex and concentrically lirate. The aperture is oblique. The columella is strongly dentate in the middle or below it, with a second small tooth at the base. The edge of the columella is rather deeply curved above the tooth, but spreading at its junction with the whorl, bounding and somewhat narrowing the umbilicus by a white callus, which does not extend to the upper margin of the aperture. The deep umbilicus is white within. [4]

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References

  1. ↑ A. Adams, P. Z. S., 1851, p. 182.
  2. ↑ WoRMS (2012). Tegula rugosa (A. Adams, 1853). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=575637 on 2012-09-01
  3. ↑ Keen M. (1971) Sea shells of tropical West America. Marine mollusks from Baja California to Perú, ed. 2. Stanford University Press. 1064 pp.
  4. ↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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