Daphnella thygatrica explained
Daphnella thygatrica is a species of sea snail, a marine gastropod mollusc in the family Raphitomidae.[1]
Description
The length of the shell attains 7 mm, its diameter 2.5 mm.
The small, fusiform shell is twisted. It is straw-coloured with faint rufous longitudinal tints. It contains seven whorls, of which three decussate whorls in the protoconch. The body whorl is doubly keeled. The aperture is oblong. The outer lip is thin. The sinus is inconspicuous. The columellar margin is incrassate. The wide siphonal canal is only slightly produced.[2] [3]
Distribution
This marine species occurs in the Gulf of Oman
External links
Notes and References
- http://www.gastropods.com/8/Shell_44548.shtml gastropods.com: Daphnella thygatrica
- https://www.biodiversitylibrary.org/item/94944#page/311/mode/1up Melvill J.C. & Standen R. (1903). Descriptions of sixty-eight new Gastropoda from the Persian Gulf, Gulf of Oman, and North Arabian Sea, dredged by the Indo-European Telegraph Service, 1901–1903. Annals and Magazine of Natural History. ser. 7, 12: 289-324
- https://archive.org/details/proceedingsofmal1213191619mala J.C. Melvill (1917), A revision of the Turridae (Pleurotomidae) occurring in the Persian Gulf, Gulf of Oman and North Arabian Sea, as evidenced mostly through the results of dredgings carried out by Mr. F. W. Townsend, 1893-1914; Proceedings of the Malacological Society of London vol. 12, 1917