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Helicoidea
Superfamily of gastropods

Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.

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Taxonomy

2017 taxonomy and latest developments1234

The Bouchet et al. 20175 nomenclator provides an up to date system of Helicoidea. The system is in some parts preliminary, as the authors relied on unpublished (as of 2023) phylogenomic study, which did not include all New World taxa. They classified Epiphragmophoridae, Helminthoglyptidae, Humboldtianidae, Monadeniidae and Xanthonychidae (provisionally also Lysinoidae and Echinichidae) as subfamilies of the last taxon, because there are no deep splits between them in the cited unpublished study (see also Koene & Schulenburg 20056).

Cepolidae, Labyrinthidae and Thysanophoridae constitute the sister group of the remaining Helicoidea.7

2015 taxonomy

Razkin et al. (2015)8 reorganized classification into monophyletic taxa according to the molecular phylogeny. This study is focus on Western Palaearctic species. The Hygromiidae s.l. family was divided into three families, Canariellidae, Geomitridae and Hygromiidae. Moreover, the family Cochlicellidae was including within the Geomitridae family as a tribe (Cochlicellini).

The classification proposed for Western Palaearctic Helicoidea is as follows:

2012 taxonomy

Thompson & Naranjo-García (2012) described a new family Echinichidae and placed it to the superfamily Xanthonychoidea.9 Therefore, the family Xanthonychidae was moved from Helicoidea to Xanthonychoidea.

2005 taxonomy

There are 19 families within the superfamily Helicoidea according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.1011

According to H. Nordsieck12 the family Xanthonychidae (sensu Hausdorf & Bouchet) is probably polyphyletic (contains several different lineages) and therefore should be divided into several families.

References

  1. Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN 0076-2997. http://www.bioone.org/doi/10.4002/040.061.0201 ↩

  2. Sei, Makiri; Robinson, David G; Geneva, Anthony J; Rosenberg, Gary (23 November 2017). "Doubled helix: Sagdoidea is the overlooked sister group of Helicoidea (Mollusca: Gastropoda: Pulmonata)". Biological Journal of the Linnean Society. 122 (4): 697–728. doi:10.1093/biolinnean/blx082. ISSN 0024-4066. http://academic.oup.com/biolinnean/article/122/4/697/4210279 ↩

  3. "A New Species of the Genus Bunnya H. B. Baker, 1942 (Helicoidea) from MÉXico". Malacologia. 62 (2): 237. 29 March 2019. doi:10.4002/040.062.0204. ISSN 0076-2997. https://bioone.org/journals/malacologia/volume-62/issue-2/040.062.0204/A-New-Species-of-the-Genus-Bunnya-H-B-Baker/10.4002/040.062.0204.full ↩

  4. Saadi, Ahmed J.; Wade, Christopher M. (2019). "Resolving the basal divisions in the stylommatophoran land snails and slugs with special emphasis on the position of the Scolodontidae". Molecular Phylogenetics and Evolution. 139: 106529. doi:10.1016/j.ympev.2019.106529. https://linkinghub.elsevier.com/retrieve/pii/S1055790319301939 ↩

  5. Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN 0076-2997. http://www.bioone.org/doi/10.4002/040.061.0201 ↩

  6. Koene, Joris M; Schulenburg, Hinrich (2005). "Shooting darts: co-evolution and counter-adaptation in hermaphroditic snails". BMC Evolutionary Biology. 5 (1): 25. doi:10.1186/1471-2148-5-25. PMC 1080126. PMID 15799778. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1080126 ↩

  7. Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. ISSN 0076-2997. http://www.bioone.org/doi/10.4002/040.061.0201 ↩

  8. Razkin O., Gómez-Moliner B. J., Prieto C. E., Martínez-Ortí A., Arrébola J. R., Chueca L. J. & Madeira M. J. (2015). "Molecular phylogeny of the western Palearctic Helicoidea (Gastropoda, Stylommatophora)". Molecular Phylogenetics and Evolution 83: 99–117. doi:10.1016/j.ympev.2014.11.014. /wiki/Molecular_Phylogenetics_and_Evolution ↩

  9. Thompson F. G. & Naranjo-García E. (2012). "Echinichidae, a new family of dart-bearing helicoid slugs from Mexico, with the description of a new genus and three new species (Gastropoda: Pulmonata: Xanthonychoidea)". Archiv für Molluskenkunde 141(2): 197–208. doi:10.1127/arch.moll/1869-0963/141/197-208. preview. /wiki/Archiv_f%C3%BCr_Molluskenkunde ↩

  10. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997. 3-925919-72-4 ↩

  11. Poppe G. T. & Tagaro S. P. (2006). "The new classification of Gastropods according to Bouchet & Rocroi, 2005". Visaya, février 2006: 10 pp. PDF Archived 27 September 2007 at the Wayback Machine. http://www.journal-malaco.fr/bouchet&rocroi_2005_Visaya.pdf ↩

  12. Higher classification of the Helicoidea and the molecular analyses of their phylogeny (by Hartmut Nordsieck) Archived 29 November 2015 at the Wayback Machine http://www.clausilia.de/media//DIR_64901/04_2006_helicoidea.pdf ↩