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Triumphis
Shell of Triumphis distorta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Pisaniidae
Genus:	Triumphis Gray, 1857
Type species
Buccinum distortum W. Wood, 1828

Triumphis is a genus of sea snails, marine gastropod mollusks in the family Pisaniidae, with historically controversial affinities. It is found in the tropical eastern Pacific.

Classification

Triumphis was historically classified as a member of Buccinidae, but in 1998, Geerat J. Vermeij assigned it to Pseudolividae, However, in 2017, Kantor and colleagues, in their revision of Olivoidea, tentatively assigned Triumphis to Nassariidae, and in 2024, a phylogenetic analysis by Fedosov and colleagues recovered Triumphis as a member of Buccinoidea, the sister taxon to Pisania, the only member of Pisaniidae included in their analysis. As of December 2024, WoRMS recognizes Triumphis as a member of Pisaniidae; it had previously been included in Pseudolividae.

Species

Species within the genus Triumphis include:

• Triumphis distorta (Wood, 1828)
• † Triumphis maitenlahuensis S. N. Nielsen & Frassinetti, 2003
• † Triumphis solida (E. T. Nelson, 1870) (uncertain > unassessed)

Species brought into synonymy

• Triumphis subrostrata (W. Wood, 1828): synonym of Nicema subrostrata (W. Wood, 1828)

References

1. ^ Vermeij, Geerat J. (1998). "Generic revision of the neogastropod family Pseudolividae". The Nautilus. 111 (2): 53–84.
2. Kantor, Yu. I.; Fedosov, A. E.; Puillandre, N.; Bonillo, C.; Bouchet, P. (2017). "Returning to the roots: morphology, molecular phylogeny and classification of the Olivoidea (Gastropoda: Neogastropoda)". Zoological Journal of the Linnean Society. 180 (3): 493–541. doi:10.1093/zoolinnean/zlw003. eISSN 1096-3642. ISSN 0024-4082.
3. Fedosov, Alexander E; Zaharias, Paul; Lemarcis, Thomas; Modica, Maria Vittoria; Holford, Mandë; Oliverio, Marco; Kantor, Yuri I; Puillandre, Nicolas (2024-03-08). "Phylogenomics of Neogastropoda: the backbone hidden in the bush". Systematic Biology: –010. doi:10.1093/sysbio/syae010. eISSN 1076-836X. hdl:11573/1707306. ISSN 1063-5157.
4. "Triumphis Gray, 1857". WoRMS. World Register of Marine Species. 2024-12-01. Retrieved 2024-12-05.
5. "Triumphis Gray, 1857". WoRMS. World Register of Marine Species. 2022-08-29. Archived from the original on 2024-02-16.

• Pisaniidae