Onoba semicostata

Onoba semicostata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Onoba
Species:	O. semicostata
Binomial name
	Onoba semicostata; (Montagu, 1803)
Synonyms[1]
	Cingula semicostata (Montagu, 1803); Cingula striata (Adams, 1797) (nomen dubium); Odostomia marionae MacGillivray, 1843 (dubious synonym); Onoba candida (Brown, 1844); Onoba scotiana (Melvill & Standen, 1907); Onoba striata (J. Adams, 1797) (non da Costa, 1778); Pyramis candidus Brown, 1827 (dubious synonym); Pyramis decussatus Brown, 1827 (dubious synonym); Pyramis discors Brown, 1827 (dubious synonym); Rissoa communis Forbes, 1838 (dubious synonym); Rissoa ecostata Michaud, 1830; Rissoa gracilis MacGillivray, 1843; Rissoa minutissima Michaud, 1830; Rissoa peticularis Menke, 1830; Rissoa scotiana Melvill & Standen, 1907; Rissoa striata J. Adams, 1797; Rissoia scotiana Melvill & Standen, 1907; Turbo semicostatus Montagu, 1803 (original combination); Turbo shepeianus J. Adams, 1798; Turbo striatus J. Adams, 1797 (Invalid: junior secondary homonym of Rissoa striata Da Costa, 1778);

Onoba semicostata is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.[1]

Classification

Turbo semicostatus Montagu, 1803 is probably another species than those which is mostly understand by that name. According to Warén Turbo shepeianus could be the valid name for this species found off Belgium. Further research is necessary, therefore we use the more commonly used name Onoba semicostata.[1]

Taxonomy

Janssen (1975) mentioned two subspecies: O. s. semicostata and O. s. aculeus (Gould, 1841). Thorson (1941), Warén (1973, 1974) and Fretter & Graham (1978) are followed who both consider O. s. semicostata and O. s. aculeus as separate species.[1]

Description

Distribution

This marine species occurs in the Baltic Sea, the North Sea, the Northern and Northeast Atlantic Ocean and in the Mediterranean Sea.

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References

Onoba semicostata (Montagu, 1803). Gofas, S. (2009). Onoba semicostata (Montagu, 1803). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141320 on 2 November 2010 .

Montagu, G. (1803) Testacea Britannica or Natural History of British Shells, Marine, Land, and Fresh-water, Including the Most Minute: Systematically Arranged and Embellished with Figures. J. White, London, Vol. 1, xxxvii + 291 pp. and Vol. 2, 293–606 pp.
Ziegelmeier, E. (1966). Die Schnecken (Gastropoda Prosobranchia) der deutsche Meeresgebiete und brackigen Küstengewässer [The Gastropoda Prosobranchia from the German seas and brackish coastal waters]. Helgol. Wiss. Meeresunters. 13: 1-66
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

External links

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[WoRMS-1] Onoba semicostata (Montagu, 1803). Gofas, S. (2009). Onoba semicostata (Montagu, 1803). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141320 on 2 November 2010 .