Biology:Xenuroturris

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Xenuroturris also known as Iotyrris is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.[1][2]

Description

This genus characterized by a polygonal protoconch. The anterior siphonal canal is relatively short. The sinus rib is margined.[3]

Taxonomy

The genus Iotyrris was synonymized with Xenuroturris in 2024 following a comprehensive phylogenetic revision of the family Turridae.[4] 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.[4]

However, molecular analyses utilizing exon-capture data demonstrated that these radular traits were homoplastic and not consistent with the phylogeny.[4] 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.[4] Because the radular morphology was found to lack diagnostic value at the generic level,[5] Iotyrris was reduced to a synonym of Xenuroturris.[6]

Distribution

Species

Species within the genus Xenuroturris include:[1]

Synonyms
  • † Xenuroturris bisculptus Powell, 1944: synonym of † Veruturris bisculptus (Powell, 1944)
  • Xenuroturris cerithiformis Powell, 1964:[13] synonym of Iotyrris cerithiformis (Powell, 1964)
  • Xenuroturris cingulifera (Lamarck, 1822):[14] synonym of Iotyrris cingulifera (Lamarck, 1822)
  • † Xenuroturris cochleatus Powell, 1944: synonym of † Veruturris cochleatus (Powell, 1944)
  • Xenuroturris corona Laseron, 1954: synonym of Typhlomangelia corona (Laseron, 1954) (original combination)
  • Xenuroturris gemmuloides Powell, 1967:[15] synonym of Pseudogemmula gemmuloides (A. W. B. Powell, 1967)
  • Xenuroturris kingae Powell, 1964:[16] synonym of Iotyrris kingae (Powell, 1964) (original combination)
  • † Xenuroturris quadricarinatus Powell, 1944: synonym of † Veruturris quadricarinatus (Powell, 1944)
  • † Xenuroturris subconcavus (G.F. Harris, 1897): synonym of † Veruturris subconcavus (G. F. Harris, 1897)
  • † Xenuroturris tomopleuroides Powell, 1944: synonym of † Veruturris tomopleuroides (Powell, 1944)

References

  1. ↑ 1.0 1.1 Xenuroturris Iredale, 1929. Retrieved through: World Register of Marine Species on 4 October 2010.
  2. ↑ Iotyrris Medinskaya & Sysoev, 2001. Retrieved through: World Register of Marine Species on 4 October 2010.
  3. ↑ Powell, A.W.B. (1967) The family Turridae in the Indo-Pacific. Part 1a. The subfamily Turrinae concluded. Indo-Pacific Mollusca, 1, 409–444
  4. ↑ 4.0 4.1 4.2 4.3 Kantor et al. 2024, p. 13.
  5. ↑ Kantor et al. 2024, p. 36.
  6. ↑ Kantor et al. 2024, p. 1.
  7. ↑ Xenuroturris castanella Powell, 1964. Retrieved through: World Register of Marine Species on 14 April 2010.
  8. ↑ Xenuroturris emmae Bozzetti, 1993. Retrieved through: World Register of Marine Species on 14 April 2010.
  9. ↑ Xenuroturris millepunctata (Sowerby III, 1908). Retrieved through: World Register of Marine Species on 14 April 2010.
  10. ↑ Iotyrris devoizei Kantor et al., 2008. Retrieved through: World Register of Marine Species on 14 April 2010.
  11. ↑ Iotyrris marquesensis Sysoev, 2002. Retrieved through: World Register of Marine Species on 14 April 2010.
  12. ↑ Iotyrris musivum Kantor et al., 2008. Retrieved through: World Register of Marine Species on 14 April 2010.
  13. ↑ Xenuroturris cerithiformis Powell, 1964. Retrieved through: World Register of Marine Species on 14 April 2010.
  14. ↑ Xenuroturris cingulifera (Lamarck, 1822). Retrieved through: World Register of Marine Species on 14 April 2010.
  15. ↑ Xenuroturris gemmuloides Powell, 1967. Retrieved through: World Register of Marine Species on 14 April 2010.
  16. ↑ Xenuroturris kingae Powell, 1964. 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)". Journal of Molluscan Studies 90 (5). doi:10.1093/mollus/eyae032. https://www.diva-portal.org/smash/get/diva2:1920259/FULLTEXT01.pdf. 
  • 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.
  • Olivera, B.M. 2002. The gastropod genus Xenuroturris (Iredale, 1929) evaluated and a new turrid Lophiotoma olangoensis described from the Central Philippines. Science Diliman 14(2): 39-49

Wikidata ☰ Q3719759 entry



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