Funa theoreta

Funa theoreta
Drawing of a shell of Funa theoreta
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Clade:Caenogastropoda
Clade:Hypsogastropoda
Clade:Neogastropoda
Superfamily:Conoidea
Family:Pseudomelatomidae
Genus:Funa
Species: F. theoreta
Binomial name
Funa theoreta
(Melvill, 1899)
Synonyms[1]

Drillia theoreta Melvill, 1899

Funa theoreta is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1]

Description

The length of the shell varies between 15 mm and 22 mm.

(Original description) The fusiform shell contains ten to eleven whorls, the apical 1½ whorls being glassy and globular, the remainder are strongly longitudinally ribbed. The ribs number ten round the body whorl. The aperture is ovate-oblong, within purplish fuscous. The outer lip is not much thickened. The sinus is wide. The columella is straight. The siphonal canal is shortly produced.

The several examples show no variation in sculpture, but some in coloration and size. The albino variety is smaller and unicolorous, being of a pale ochreous externally, with white aperture. The normal state exhibits a purplish suffusion both externally and within, and scattered dots and maculations along the spiral lirae which surround the shell, especially prominent on the ribs of the body whorl.[2]

Distribution

This marine species occurs in the Arabian Sea and in the Persian Gulf

References

  1. 1 2 MolluscaBase (2018). Funa theoreta (Melvill, 1899). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=550089 on 2018-09-12
  2. ↑ Melvill J.C. 1899. Notes on the Mollusca of the Arabian Sea, Persian Gulf and Gulf of Oman, mostly dredged by Mr F. W. Townsend, with descriptions of twenty-seven species. ; The Annals and Magazine of Natural History, vol. 4 , s. 7; London, 1899 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.
  • Gastropods.com: Funa theoreta
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