Iotyrris

Iotyrris
Iotyrris cingulifera
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Turridae
Genus:	Iotyrris Medinskaya & Sysoev, 2001
Type species
Iotyrris marquesensis Sysoev, 2002

Iotyrris is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids. ^[1]

Taxonomy

The genus Iotyrris was synonymized with Xenuroturris in 2024 following a comprehensive phylogenetic revision of the family Turridae. ^[2] Iotyrris had originally been distinguished from Xenuroturris based on radular morphology; while species of Xenuroturris were characterized by "duplex" marginal radular teeth, those assigned to Iotyrris possessed "semi-enrolled" marginal teeth. ^[2]

However, molecular analyses utilizing exon-capture data demonstrated that these radular traits were homoplastic and not consistent with the phylogeny. ^[2] The study found that species possessing duplex teeth (such as X. olangoensis, X. kingae, and X. notata) fell into the same well-supported clade as species with semi-enrolled teeth. ^[2] Because the radular morphology was found to lack diagnostic value at the generic level, ^[3] Iotyrris was reduced to a synonym of Xenuroturris. ^[4]

Distribution

This marine genus occurs in the Western Pacific Ocean and off Australia.

Species

Species within the genus Iotyrris include:

• Iotyrris cerithiformis (Powell, 1964)
• Iotyrris cingulifera (Lamarck, 1822)
• Iotyrris conotaxis Abdelkrim, Aznar-Cormano, Buge, Fedosov, Kantor, Zaharias & Puillandre, 2018
• Iotyrris devoizei Kantor et al., 2008 ^[5]
• Iotyrris kingae (Powell, 1964)
• Iotyrris marquesensis Sysoev, 2002 ^[6]
• Iotyrris musivum Kantor et al., 2008 ^[7]
• Iotyrris notata (G. B. Sowerby III, 1889)
• Iotyrris olangoensis (Olivera, 2002)

References

1. Iotyrris Medinskaya & Sysoev, 2001 . Retrieved through: World Register of Marine Species  on 4 October 2010.
2. Kantor et al. 2024, p. 13.
3. Kantor et al. 2024, p. 36.
4. Kantor et al. 2024, p. 1.
5. Iotyrris devoizei Kantor et al., 2008 . Retrieved through: World Register of Marine Species  on 14 April 2010.
6. Iotyrris marquesensis Sysoev, 2002 . Retrieved through: World Register of Marine Species  on 14 April 2010.
7. Iotyrris musivum Kantor et al., 2008 . Retrieved through: World Register of Marine Species  on 14 April 2010.

Sources

• Abdelkrim, J.; Aznar-Cormano, L.; Buge, B.; Fedosov, A.; Kantor, Y.; Zaharias, P.; Puillandre, N. (2018). Delimiting species of marine gastropods (Turridae, Conoidea) using RAD sequencing in an integrative taxonomy framework. Molecular Ecology. 27(22): 4591-4611
• Kantor, Y.I., Puillandre, N., Olivera, B.M. & Bouchet, P. 2008. Morphological Proxies for Taxonomic Decision in Turrids (Mollusca, Neogastropoda): a Test of the Value of Shell and Radula Characters using Molecular Data. Zoological Science (Tokyo) 25: 1156-1170
• Kantor, Yuri; Bouchet, Philippe; Fedosov, Alexander; Puillandre, Nicolas; Zaharias, Paul (2024). "Generic revision of the Recent Turridae (Neogastropoda: Conoidea)" (PDF). Journal of Molluscan Studies. 90 (5): eyae032. doi:10.1093/mollus/eyae032.
• Medinskaya, A.A., & Sysoev, A.V. 2001. The foregut anatomy of the genus Xenuroturris (Gastropoda, Conoidea, Turridae), with a description of a new genus. Ruthenica 11: 7–14.

External links

• Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). A new operational classification of the Conoidea (Gastropoda). Journal of Molluscan Studies. 77(3): 273-308.
• Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1-1295.
• Worldwide Mollusc Species Data Base: Turridae