Odostomia trifida

Odostomia trifida, common name the three-toothed odostome, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.[2]

Odostomia trifida
Drawing of a shell of Odostomia trifida
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Genus:
Odostomia
Species:
O. trifida
Binomial name
Odostomia trifida
(Totten, 1834) [1]
Synonyms
  • Odostomia bedequensis Bartsch, 1909
  • Odostomia (Boonea) trifida Totten, 1834 (basionym)

Description

The ivory or off-white shell is smooth and glossy. Its length measures 6 mm. The teleoconch contains eight whorls, with about six impressed revolving lines, the one above and two next below the suture wider and more distinct, and ten or twelve very minute lines at the base of the body whorl. The fold is sharp and oblique.[3]

Distribution

This species occurs in the Atlantic Ocean from New England, USA to New Jersey.

References
  1. Totten, Am. Jour. Sci., xxvi, 368
  2. ITIS: Odostomia trifida
  3. G.W. Tryon, Manual of Conchology vol. VIII, p. 356, 1889
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