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Rissoa

จำพวกหอยกาบเดี่ยว/Rissoa

Rissoa is a genus of minute sea snails, marinegastropodmollusks or micromollusks in the familyRissoidae.

Rissoa

Rissoa
Shell of Rissoa janusi
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Subclass:Caenogastropoda
Order:Littorinimorpha
Family:Rissoidae
Genus:RissoaFreminville in Desmarest, 1814
Type species
Rissoa ventricosa
Desmarest, 1814
Species

See text

Synonyms[1]
  • ApiculariaMonterosato, 1884
  • ElatiellaNordsieck, 1972
  • GoniostomaVilla, 1841
  • GuerinianaNordsieck, 1972
  • LamarckiaLeach, 1852
  • LiavenustiaNordsieck, 1972
  • LilaciniaNordsieck, 1972
  • LoxostomaBivona-Bernardi, 1838
  • PersephonaLeach, 1852
  • RissoiaBronn, 1848
  • RissostomiaG.O. Sars, 1878
  • SabaneaMonterosato, 1884
  • SchwartziaBucquoy, Dautzenberg & Dollfus, 1884
  • SfaxiellaNordsieck, 1972
  • TurboellaLeach, 1847
  • ZipporaLeach, 1852

Rissoa is a genus of minute sea snails, marinegastropodmollusks or micromollusks in the familyRissoidae.[1]

The genus was first introduced by M. de Freminville for some small shells observed by M. Antoine Risso, a distinguished naturalist of Nice, France. They were described by M. Demarest in 1814 in the "New Bulletin of the Philomatic Society".[2]

Description

The soft body of the snail is elongated and spiral. The somewhat prolonged mouth has a proboscis. The tentacles are awl-shaped with the eyes on a small prominence near the base. The foot is oval or elliptical. The species is phytophagous.

The conical shell has an elongated spire with its apex nipple-shaped. The size of the shell varies between 1 mm and 8 mm. The whorls are generally convex-shaped with a distinct suture. The aperture is ovate, roundish or pear-shaped with its anterior end rounded, the posterior end acute and with the peristome complete. The thin and horny operculum is spirally marked and equally ovate, roundish or pear-shaped.[2]

Habitat

This species can be found on brown algae (genus Fucus), in clefts of rocks, on stones, on mud or sand. Most will be found on sandy beaches along the line of the last tide.[2]

Species

Species within the genus Rissoa include:

Synonyms

  • Nordsieck, F. (1972). Die europäischen Meeresschnecken (Opisthobranchia mit Pyramidellidae; Rissoacea). Vom Eismeer bis Kapverden, Mittelmeer und Schwarzes Meer. Gustav Fischer, Stuttgart. XIII + 327 pp.
  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp.
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
  • Desmarest A. G. (1814). Description des coquilles univalves du genre Rissoa de M. De Fréminville. Bulletin des Sciences, par la Société Philomatique de Paris. 1814: 7-9, pl. 1.
  • Leach W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. London pp. VIII + 376
  • Monterosato, T. A. di. (1884). Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi, printed for the author, Palermo, 152 pp
  • Bucquoy E., Dautzenberg P. & Dollfus G. (1882-1886). Les mollusques marins du Roussillon. Tome Ier. Gastropodes. Paris: Baillière & fils. 570 pp., 66 pls.
  • Ponder W. F. (1985). A review of the Genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea). Records of the Australian Museum supplement 4: 1-221
Retrieved from "https://en.wikipedia.org/w/index.php?title=Rissoa&oldid=1354865404"

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ข้อมูลสำคัญเกี่ยวกับ Rissoa

Rissoa is a genus of minute sea snails, marinegastropodmollusks or micromollusks in the familyRissoidae.

Description

The soft body of the snail is elongated and spiral. The somewhat prolonged mouth has a proboscis . The tentacles are awl-shaped with the eyes on a small prominence near the base. The foot is oval or elliptical. The species is phytophagous .

Habitat

This species can be found on brown algae (genus Fucus ), in clefts of rocks, on stones, on mud or sand. Most will be found on sandy beaches along the line of the last tide. [ 2 ]

Species

Species within the genus Rissoa include: