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Taxon profile

species

Terebra dimidiata (Linnaeus, 1758)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Caenogastropoda »  family Terebridae - Auger Shells »  genus Terebra

Size

Shell to 166 mm

Distribution

Indo-Pacific, from the Red Sea through the tropical Indo-Pacific to Polynesia and Hawaii.

Description

Shell color yellow or pinkish orange with ivory flammules, or ivory with pinkish orange subsutural band and squarish spots; outline of whorls flat with slightly indented subsutural band; protoconch of 3 1/2 conical whorls; subsutural band faintly noded on early whorls, flat later, defined by a groove which is punctate early and smooth later; axial ribs numerous, curved, closely spaced on early whorls; later whorls smooth except for subsutural groove; aperture quadrate: columella almost straight.
[Bratcher & Cernohorsky]

Interesting facts

This species has neither radula nor poison gland (Rudman, 1969). It exhibits two distinct color patterns, one almost the reverse of the other, though the sculpture and shape remain constant.
Authors: Jan Delsing, Bratcher & Cernohorsky

Links and literature

CZ Pfleger V. (1999): České názvy živočichů III. Měkkýši (Mollusca), Národní muzeum, (zoologické odd.), Praha, 108 pp. [as Terebra dimidiata (LINNÉ, 1758)]
Data retrieved on: 11 November 2013

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