Trigonostoma is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Trigonostoma is also the name given to a trematode genus in the family Aspidogastridae, that is actually a synonym of the genus Multicalyx Faust & Tang, 1936
Species According to the World Register of Marine Species (WoRMS) the following species with valid names are included within the genus Trigonostoma :
† Trigonostoma ampullaceum (Brocchi, 1814) Trigonostoma antiquatum (Hinds, 1843) - antique nutmeg † Trigonostoma barnardi A. W. Janssen, 1984 Trigonostoma breve (G.B. Sowerby I, 1832a) Trigonostoma bullatum (G.B. Sowerby I, 1832a) - bubble nutmeg Trigonostoma chui Yen, 1936 Trigonostoma diamantinum Garrard, 1975 Trigonostoma elegantulum (M. Smith, 1947) little elegant nutmeg † Trigonostoma exampullaceum (Sacco, 1894) † Trigonostoma exgeslini (Sacco, 1894) † Trigonostoma extractrix (Boettger, 1906) Trigonostoma gofasi Verhecken, 2007 Trigonostoma goniostoma (G.B. Sowerby I, 1832a) - angle-mouth nutmeg Trigonostoma iota Garrard, 1975 Trigonostoma kilburni Petit & Harasewych, 2000 Trigonostoma lamberti (Souverbie, 1870 in Souverbie & Montrouzier) Trigonostoma laseroni (Iredale, 1936) - Laseron's nutmeg † Trigonostoma lindeni A. W. Janssen, 1984 Trigonostoma milleri (Burch, 1949) - Miller's nutmeg Trigonostoma mozambicense Petit & Harasewych, 2002 Trigonostoma nitidum (A. Adams, 1855) † Trigonostoma parvotriangula Sacco, 1894 † Trigonostoma protrigonostoma (Sacco, 1894) † Trigonostoma pseudumbilicare Peyrot, 1928 Trigonostoma pygmaeum (C.B. Adams, 1852) Trigonostoma rugosum (Lamarck, 1822) Trigonostoma scala (Gmelin, 1791) Trigonostoma scalare (Gmelin, 1791) † Trigonostoma schroeckingeri (R. Hoernes & Auinger, 1890) Trigonostoma semidisjunctum (G.B. Sowerby II, 1849a) - disjunct nutmeg † Trigonostoma subsuturale (d'Orbigny, 1852) Trigonostoma tenerum (Philippi, 1848) - Philippi's nutmeg Trigonostoma tessella Garrard, 1975 Trigonostoma thysthlon Petit & Harasewych, 1987 Trigonostoma tryblium Bouchet & Petit, 2008 Trigonostoma tuberculosum (G.B. Sowerby I, 1832a) † Trigonostoma umbilicare (Brocchi, 1814)
Subgenus Trigonostoma Blainville, 1825 Trigonostoma pellucida - triangular nutmeg
Species brought into synonymy Trigonostoma bicolor (Hinds, 1843) : synonym of Scalptia bicolor (Hinds, 1843) Trigonostoma campbelli Shasky, 1961 accepted as Axelella campbelli (Shasky, 1961) † Trigonostoma christiei Finlay, 1924 accepted as † Scalptia christiei (Finlay, 1924) Trigonostoma costiferum (G.B. Sowerby I, 1832): synonym of Scalptia costifera (G. B. Sowerby I, 1832) Trigonostoma damasoi T. Cossignani, 2015 accepted as Trigonostoma gofasi Verhecken, 2007 Trigonostoma foveolata [sic]: synonym of Scalptia foveolata (G.B. Sowerby II, 1849) Trigonostoma rugosum (Lamarck, 1822) accepted as Bivetopsia rugosa (Lamarck, 1822) Trigonostoma scalariformis (Lamarck, 1822) accepted as Scalptia scalariformis (Lamarck, 1822) Trigonostoma semidisjuncta [sic]: synonym of Trigonostoma semidisjunctum (G.B. Sowerby II, 1849) † Trigonostoma thisbe Olsson, 1964 accepted as † Ventrilia thisbe (Olsson, 1964) † Trigonostoma triumpha Olsson, 1964 accepted as † Ventrilia triumpha (Olsson, 1964) Trigonostoma tuberculosa [sic]: synonym of Trigonostoma tuberculosum (G.B. Sowerby I, 1832) Trigonostoma vinnulum Iredale, 1925: synonym of Trigonaphera vinnulum (Iredale, 1925) (original combination) † Trigonostoma waikaiaensis Finlay, 1924 accepted as † Scalptia waikaiaensis (Finlay, 1924)
References
Hemmen J. (2007). Recent Cancellariidae.Annotated and illustrated catalogue of Recent Cancellariidae. Privately published, Wiesbaden. 428 pp. Bouchet P. & Petit R.E. (2008). New species and new records of southwest Pacific Cancellariidae. The Nautilus 122(1): 1-18.
External links
Perry, G. (1811). Conchology, or the natural history of shells: containing a new arrangement of the genera and species, illustrated by coloured engravings executed from the natural specimens, and including the latest discoveries. 4 pp., 61 plates. London Blainville, H. M. D. de. (1825-1827). Manuel de malacologie et de conchyliologie. Paris, Levrault 1-647 Iredale, T. (1936). Australian molluscan notes, no. 2. Records of the Australian Museum. 19(5): 267-340, pls 20-24