| 词条 | Diaugasma epicharta |
| 释义 |
|taxon =Diaugasma epicharta |image = Diaugasma epicharta 001.jpg |image_caption = Original image of a shell of Diaugasma epicharta |authority = (Melvill & Standen, 1903) |synonyms_ref = [1] |synonyms = Daphnella epicharta Melvill & Standen, 1903 (original combination) |display_parents = 3 }}Diaugasma epicharta is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1] DescriptionThe length of the shell attains 5 mm, its diameter 1.75 mm. The small oblong-fusiform shell is semi-pellucid. It is unicolorous white, or flecked with pale straw-colored spots. It contains six whorls of which three in the protoconch. These are closely and very finely cancellate. The subsequent whorls are slightly ventricose and almost smooth. The very delicate and irregular spiral striation across the whorls is almost evanescent. The body whorl is smooth centrally. The narrow aperture is oblong. The outer lip is nearly straight. It is incrassate, white and shining. The columella stands upright. The siphonal canal is short. The sinus is hardly expressed. [2] DistributionThis marine species occurs in the Gulf of Oman References1. ^1 MolluscaBase (2019). MolluscaBase. Diaugasma epicharta (Melvill & Standen, 1903). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=762160 on 2019-03-09 2. ^ [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] External links
2 : Diaugasma epicharta|Gastropods described in 1903 |
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