Camitia rotellina

Camitia rotellina, common name the wheel top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1][2]

Camitia rotellina
Drawing with two views of a shell of Camitia rotellina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Camitia
Species:
C. rotellina
Binomial name
Camitia rotellina
(Gould, 1849)
Synonyms
  • Trochus rotellina Gould, 1849 (original combination)
  • Trochus (Monodonta) rotellinus Gould, 1860

Description

The length of the shell varies between 10 mm and 20 mm. The discoidal, depressed, smooth, shining shell is covered-perforate. The six whorls, are, under a lens, very minutely, obliquely striate. The earliest whorls are whitish, spirally obsoletely sulcate, the remainder are pale flesh-colored, ornamented with a subsutural linear zone and oblique brown spots. The body whorl is dilated, obtuse in the middle, spirally trilineate (one line above, two at periphery), somewhat convex beneath, with two zones of brown spots. The aperture is transverse, and scarcely sulcate within. The columella is nearly horizontal, twisted above, truncate beneath. The columellar callus forms a coating to the extremely oblique umbilicus.[3]

Distribution

This marine species occurs off Taiwan, off the Ryukyu Islands, in the East China Sea and off the Philippines.

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References
  1. Bouchet, P. (2012). Camitia rotellina (Gould, 1849). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547308 on 2012-11-23
  2. Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1-228.
  3. H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
  • Hedley, C., 1908. Studies on Australian Mollusca. Part X. Proc. Linn. Soc. N.S.W, 33:456-489.
  • Habe, T., 1964. Shells of the Western Pacific in color II. Hoikusha, Osaka. 66 pls, 233
  • Higo, S., Callomon, P. & Goto, Y., 1999. Catalogue and bibliography of the Marine shell-bearing Mollusca of Japan. Elle Scientific Publications, Japan. 749
  • To Encyclopedia of Life
  • To World Register of Marine Species
  • "Camitia rotellina". Gastropods.com. Retrieved 15 January 2019.
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