Gymnobela daphnelloides

Gymnobela daphnelloides is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Gymnobela daphnelloides
Original image of a shell of Gymnobela daphnelloides
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Raphitomidae
Genus: Gymnobela
Species:
G. daphnelloides
Binomial name
Gymnobela daphnelloides
(Dall, 1895)
Synonyms[1]
  • Gymnobela (Theta) daphnelloides (Dall, 1896)
  • Mangilia (Spergo) daphnelloides Dall, 1895
  • Spergo daphnelloides Dall, 1895

Description

The length of the shell attains 23 mm, its diameter 10 mm.

(Original description) The small, thin, polished shell has a pointed simisigera protoconch of 3½ whorls and six subsequent whorls. The protoconch is bright yellow-brown, often caducous, leaving the white internal callus to represent it, which being molded on the interior of the protoconch whorls, is polished and smooth, while the original protoconch has an oblique reticular curved sculpture. The sculpture is much like that of Spergo glandiniformis, but having the whorls appressed at the suture lower on the antecedent whorl, the riblets more prominent, less oblique, and higher on the whorl, the fasciole more deeply impressed and its sculpture indicating a deeper sinus, and the fine spiral grooving continuous and uniform over the whole surface of the shell. The whorls are rounded, the body whorl inflated with the outer lip greatly produced, as in Daphnella, and the sinus pronounced. The columella is straight and brown tinted. The siphonal canal is shallow and narrow. The outer lip is thin, smooth and glassy within, sharp edged.[2]

Distribution

This marine species occurs off Hawaii and East Africa.

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References
  1. Gymnobela daphnelloides (Dall, 1895). Retrieved through: World Register of Marine Species on 29 March 2010.
  2. W.H. Dall, Report on the Mollusca and Brachiopoda dredged in deep water, chiefly near the Hawaiian Islands, with illustrations of hitherto unfigured species from Northwest America; Proceedings of the United States National Museum. vol. 17 (1895) This article incorporates text from this source, which is in the public domain.
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
  • Sysoev, A.V. (1996b) Deep-sea conoidean gastropods collected by the John Murray Expedition, 1933–34. Bulletin of the Natural History Museum of London, Zoology, 62, 1–30
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