Anadema macandrewii

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Anadema macandrewii
Anadema macandrewi 001.jpg
Drawing of a shell of Anadema macandrewii
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Phasianelloidea
Family: Colloniidae
Genus: Anadema
Species: A. macandrewii
Binomial name
Anadema macandrewii
(Mörch 1868) [1]
  • Bolma macandrewii (Mørch, 1868)
  • Leptothyra coelata A. Adams, 1854
  • Turbo (Anadema) macandrewi, Morch, 1868

Anadema macandrewii is a species of sea snail, a marine gastropod mollusk in the family Colloniidae,[2]


The umbilicate, reddish yellow shell has an ovate-conoid, trochiform shape. It is thick, slightly elevated, and below subdepressed. The spire is obtuse. It contains 5-6 slightly convex whorls that are longitudinally and obliquely striate, spirally granose-lirate. The suture is impressed. The body whorl is obtusely angular at the middle. It shows 16-18 spiral granose lirae. The small granules are close. The aperture is transversely ovate, and silvery within. The operculum is calcareous. The lip is simple. The narrow columella is arcuate and thickened at the base. The deep umbilicus has a spiral funicle inside. ; co-lor reddish yellow. Its altitude is 11 mm, its diameter 16 mm.

The species is characterized by the spiral funicle within the umbilicus.[3]


This species occurs in the Indian Ocean off East Africa.


  1. ^ Morch. Am. Journ. Conch., iv, 1868, p. 46.
  2. ^ a b Anadema macandrewii (Mörch 1868).  Retrieved through: World Register of Marine Species on 20 April 2010.
  3. ^ G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Leptothyra coelata)

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