Trigonostoma
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 the following species with valid names are included within the genus Trigonostoma :- † Trigonostoma ampullaceum Trigonostoma antiquatum - antique nutmeg
- † Trigonostoma barnardi A. W. Janssen, 1984 Trigonostoma breve Trigonostoma bullatum - bubble nutmeg Trigonostoma chui Yen, 1936Trigonostoma diamantinum Garrard, 1975Trigonostoma elegantulum little elegant nutmeg
- † Trigonostoma exampullaceum
- † Trigonostoma exgeslini
- † Trigonostoma extractrix Trigonostoma gofasi Verhecken, 2007Trigonostoma goniostoma - angle-mouth nutmeg Trigonostoma iota Garrard, 1975Trigonostoma kilburni Petit & Harasewych, 2000Trigonostoma lamberti Trigonostoma laseroni - Laseron's nutmeg
- † Trigonostoma lindeni A. W. Janssen, 1984 Trigonostoma milleri - Miller's nutmeg Trigonostoma mozambicense Petit & Harasewych, 2002Trigonostoma nitidum
- † Trigonostoma parvotriangula Sacco, 1894
- † Trigonostoma protrigonostoma
- † Trigonostoma pseudumbilicare Peyrot, 1928 Trigonostoma pygmaeum Trigonostoma rugosum Trigonostoma scala Trigonostoma scalare
- † Trigonostoma schroeckingeri Trigonostoma semidisjunctum - disjunct nutmeg
- † Trigonostoma subsuturale Trigonostoma tenerum - Philippi's nutmeg Trigonostoma tessella Garrard, 1975Trigonostoma thysthlon Petit & Harasewych, 1987Trigonostoma tryblium Bouchet & Petit, 2008Trigonostoma tuberculosum
- † Trigonostoma umbilicare
; Species brought into synonymy:Trigonostoma bicolor : synonym of Scalptia bicolor Trigonostoma campbelli Shasky, 1961 accepted as Axelella campbelli
- † Trigonostoma christiei Finlay, 1924 accepted as † Scalptia christiei Trigonostoma costiferum : synonym of Scalptia costifera Trigonostoma damasoi T. Cossignani, 2015 accepted as Trigonostoma gofasi Verhecken, 2007Trigonostoma foveolata : synonym of Scalptia foveolata Trigonostoma rugosum accepted as Bivetopsia rugosa Trigonostoma scalariformis accepted as Scalptia scalariformis Trigonostoma semidisjuncta : synonym of Trigonostoma semidisjunctum
- † Trigonostoma thisbe Olsson, 1964 accepted as † Ventrilia thisbe
- † Trigonostoma triumpha Olsson, 1964 accepted as † Ventrilia triumpha Trigonostoma tuberculosa : synonym of Trigonostoma tuberculosum Trigonostoma vinnulum Iredale, 1925: synonym of Trigonaphera vinnulum
- † Trigonostoma waikaiaensis Finlay, 1924 accepted as † ''Scalptia waikaiaensis''