Monilea belcheri

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Monilea belcheri
Monilea belcheri 01.JPG
Five views of a shell of the brown form of Monilea belcheri
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Monilea
Species:
M. belcheri
Binomial name
Monilea belcheri
Philippi, 1849 [1]
Synonyms

Trochus belcheriPhilippi, 1849 (original combination)

Contents

Monilea belcheri, common name Belcher's top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. [2] [3] [4]

Description

Red form Monilea belcheri 02.JPG
Red form

The size of the shell varies between 12 mm and 17 mm. The umbilicate, thin shell has a depressed-conoidal shape. It is sharply transversely lirate with narrow, elevated, sharp lirae, of which three are stronger, alternating with two or three smaller ones; about 12 similar ones are on the base; all of them are crossed and made subgranose by closely crowded growth lines. Its surface is white, painted with scattered red dots and a few larger red spots. The apex is white or rose-red. The strongly convex whorls are separated by a subcanaliculate suture, the last rounded. The umbilicus is moderate in size and surrounded by a peculiarly reddish-brown colored callus. The aperture is subrhomboidal. The columella is nearly perpendicular and incised at its base. [5]

Distribution

This marine species occurs on sandy beaches and in the subtidal zone off Thailand and in the Western Pacific (Fiji, Tonga, New Caledonia) and off Japan and Queensland, Australia.

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References

  1. ↑ Philippi, R.A. 1849. Diagnosen mehrerer neuer Trochus arten. Zeitschrift für Malakozoologie 9 6(10): 146-160
  2. ↑ Rosenberg, G.; Bouchet, P. (2012). Monilea belcheri Philippi, 1849. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547300 on 2012-11-23
  3. ↑ Marshall B. A. (1979). The Trochidae and Turbinidae of the Kermadec Ridge (Mollusca: Gastropoda). New Zealand Journal of Zoology 6: 521-552
  4. ↑ 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.
  5. ↑ H. Pilsbry (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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