Trigonostoma
Trigonostoma is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.[1]
| Trigonostoma | |
|---|---|
![]()  | |
| Apertural view of shell of Trigonostoma milleri Burch, 1949 | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Order: | Neogastropoda | 
| Family: | Cancellariidae | 
| Genus: | Trigonostoma Blainville, 1825  | 
| Type species | |
| Delphinula trigonostoma Lamarck, 1822  | |
| Synonyms[1] | |
  | |
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 :[1]
- † 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
    
- Trigonostoma Blainville, 1825. Retrieved through: World Register of Marine Species on 6 July 2012.
 
- 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
 
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