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, 1936Species
According to the World Register of Marine Species the following species with valid names are included within the genus Trigonostoma :
- Trigonostoma antiquatum - Antique Nutmeg
- Trigonostoma bicolor
- Trigonostoma breve
- Trigonostoma bullatum - Bubble Nutmeg
- Trigonostoma chui Yen, 1936
- Trigonostoma costiferum
- Trigonostoma diamantinum Garrard, 1975
- Trigonostoma elegantulum Little Elegant Nutmeg
- Trigonostoma gofasi Verhecken, 2007
- Trigonostoma goniostoma - Angle-mouth Nutmeg
- Trigonostoma iota Garrard, 1975
- Trigonostoma kilburni Petit & Harasewych, 2000
- Trigonostoma lamberti
- Trigonostoma laseroni - Laseron's Nutmeg
- Trigonostoma milleri - Miller's Nutmeg
- Trigonostoma mozambicense Petit & Harasewych, 2002
- Trigonostoma nitidum
- Trigonostoma pygmaea
- Trigonostoma rugosum
- Trigonostoma scala
- Trigonostoma scalare
- Trigonostoma semidisjunctum - Disjunct Nutmeg
- Trigonostoma tenerum - Philippi's Nutmeg
- Trigonostoma tessella Garrard, 1975
- Trigonostoma thysthlon Petit & Harasewych, 1987
- Trigonostoma tryblium Bouchet & Petit, 2008
- Trigonostoma tuberculosum
- Trigonostoma vinnulum Iredale, 1925
; Subgenus Trigonostoma Blainville, 1825
- Trigonostoma pellucida - Triangular Nutmeg
; Species brought into synonymy:
- Trigonostoma campbelli Shasky, 1961: synonym of Axelella campbelli
- Trigonostoma foveolata : synonym of Scalptia foveolata
- Trigonostoma semidisjuncta : synonym of Trigonostoma semidisjunctum
- Trigonostoma tuberculosa : synonym of Trigonostoma tuberculosum
