Sericominolia
| Sericominolia | |
|---|---|
 | |
| Apertural view of a shell of Sericominolia vernicosa | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Sericominolia Kuroda & Habe, 1954 |
| Type species | |
| Minolia stearnsii Pilsbry, 1895 | |
| Synonyms | |
|
Ethminolia (Sericominolia) Kuroda & T. Habe, 1954 superseded rank | |
Sericominolia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.[1]
General characteristics
[edit](Short description)The shell is larger, with adult specimens reaching a diameter of up to 14.0 mm. The spiral sculpture is of more or less even strength throughout. The umbilical region is variously coloured—white, green-brown, reddish, or yellow—but never pink, and the base lacks distinct axial pliculae.
(Original description) The shell is relatively thin and of moderate size, with a depressed turbiniform to trochoid‑turbiniform profile, reaching a diameter of up to 14.0 mm. The whorls are rounded or only weakly shouldered, with the periphery situated at or below mid‑whorl and the base comparatively flat. The sculpture is fine and consists of close‑set spiral lirae together with microscopic axial pliculae. The umbilicus is open and has a thickened rim, usually (though not invariably) bearing a distinct internal funicle that terminates in a reflected callus on the columellar lip, often in a contrasting colour. The outer lip is simple, and the interior is smooth.
The operculum is corneous, relatively thick, and multispiral, though not tightly coiled; the whorl overlap is narrow and the peripheral fringe is also narrow, and there is no spiral microsculpture. The radula has relatively robust base‑plates on both the rachidian and lateral teeth; the inner marginal tooth is transitional, with a reduced cusp. Among the marginal teeth, cusps 3–10 are the largest and carry a broad, bluntly lanceolate central denticle that bears one to two smaller denticles at its outer base. The ctenidium is bipectinate, with the anterior portion remaining unattached. [2]
Species
[edit]Species within the genus Sericominolia include:
- Sericominolia gloriola (Iredale, 1929)
- Sericominolia lifuana (P. Fischer, 1878)
- Sericominolia porcata D. G. Herbert, 2024
- Sericominolia safrocincta D. G. Herbert, 2024
- Sericominolia stearnsii (Pilsbry, 1895)
- Sericominolia vernicosa (Gould, 1861)
- Species brought into synonymy
- Sericominolia glaphyrella Williams et al. 2024: 6.: synonym of Kanakina glaphyrella (Melvill & Standen, 1895)
- Sericominolia stearnsii (Pilsbry, 1895): synonym of Ethminolia stearnsii (Pilsbry, 1895)
References
[edit]- ↑ Sericominolia Kuroda & Habe, 1954. Retrieved through: World Register of Marine Species on 18 May 2011.
- ↑ Herbert, D.G. (2024). "The Umboniinae (Mollusca: Gastropoda: Trochidae) of New Caledonia, with descriptions of two new genera and eight new species, plus an additional new species from the Bismarck Sea". European Journal of Taxonomy. 973: 53.
This article incorporates text from this source, which is under a CC BY 4.0 license.
- Kuroda T. & Habe T. 1952. Check list and bibliography of the Recent marine Mollusca of Japan. Leo W. Stach, Tokyo. 210 pp
- Kuroda, T. & Habe, T. (1954). New genera of Japanese marine gastropods. Venus. 18(2): 84-97.
- Poppe, G.T., S.P. Tagaro and H. Dekker 2006 The Seguenziidae, Chilodontidae, Trochidae, Calliostomatiidae & Solariellidae of the Philippine Islands with the description of 1 new genus, 2 new subgenus, 70 new species and 1 new subspecies. Visaya Supplement 2. Conchology, Inc
