Leptochiton Gray, 1847

Sirenko, Boris, 2024, The chitons of the family Leptochitonidae (Mollusca: Polyplacophora) from the Emperor Seamounts, Pacific Ocean, Zootaxa 5474 (5), pp. 522-532 : 523

publication ID	https://doi.org/10.11646/zootaxa.5474.5.4
publication LSID	lsid:zoobank.org:pub:189347B3-7151-45FB-9240-8CF3B820766C
DOI	https://doi.org/10.5281/zenodo.12730825
persistent identifier	https://treatment.plazi.org/id/AB6287B3-DE5C-FF76-FF06-0502FBEFF822
treatment provided by	Plazi (2024-07-07 17:36:36, last updated 2024-11-25 00:09:44)
scientific name	Leptochiton Gray, 1847
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Genus Leptochiton Gray, 1847 View in CoL

Type species. Chiton cinereus sensu Montagu, 1803 (non Linnaeus, 1767) = Leptochiton asellus ( Gmelin, 1791) View in CoL fide Lovén (1846), by subsequent designation ( Gray 1847).

Genus distribution. Worldwide, Recent, intertidal– 6,920 m.

Remarks. A molecular analysis performed by Sigwart et al. (2011) showed that the genus Leptochiton is not monophyletic. Morphological studies of the genus Leptochiton revealed some groups of species that possess a set of similar features, which include the shell, girdle, radula, and gills ( Sirenko & Sellanes 2016). Over the past fifty years, several genera containing species previously included in the groups of the genus Leptochiton have been restored and described ( Sirenko 1973a, b, 1988, 1992, 2020; Saito 1996; Sirenko et al. 2022). Most of these groups inhabit a more or less restricted area, but several groups, mainly of deep-water leptochitons, are widely distributed in the world oceans. Probably the species of each of these groups originated from different ancestors of the family Leptochitonidae resulting in the polyphyletic character of the genus Leptochiton .

References

Gmelin, J. F. (1791) C. von Linnaeus. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Vol. 1. Pt. 6. 13 th Edition. Impensis Direct, Laurentii Salvii, Holmiae, 6 pp. [pp. 3202 - 3207, Vermes Testacea, Genus 300, Chiton]

Gray, J. E. (1847) A list of the genera of recent Mollusca, their synonymy and types. Proceedings of the Zoological Society London, 15, 129 - 206. https: // doi. org / 10.1111 / j. 1469 - 7998.1847. tb 00164. x

Linnaeus, C. (1767) Systema Naturae. Tom. I. Pars II. Laurentius Salvius, Stockholm, pp. 533 - 1327.

Loven, S. L. (1846) Index molluscorum litora Scandinaviae Occidentalia habitantium. Ofverssigt Af Kungel Svenska Vetenskaps- Akademiens Forhandlinger, 3, 134 - 160. https: // doi. org / 10.5962 / bhl. title. 59081

Montagu, G. (1803) Testacea Britannica or Natural History of British shells, marine, land and fresh water, including the most minute, systematically arranged and embellished with figures. Vols. 1 & 2. J. White, London, 606 pp. [Vol. 1: pp. 1 - 291 & Vol. 2: pp. 292 - 606] https: // doi. org / 10.5962 / bhl. title. 33927

Saito, H. (1996) Seven New Species of the Genus Parachiton (Polyplacophora: Leptochitonidae) from the Northwest Pacific. Venus, 55 (3), 161 - 187.

Sigwart, J. D., Schwabe, E., Saito, H., Samadi, S. & Giribet, G. (2011) Evolution in the deep sea: combined analyses of the earliest diverging living chitons (Mollusca: Polyplacophora: Lepidopleurida). Invertebrate Systematics, 24, 560 - 572. https: // doi. org / 10.1071 / IS 10028

Sirenko, B. I. (1973 a) Amphipacific distribution of chitons (Loricata) and their new species in the north-west section of the Pacific Ocean. Zoological Journal, 52 (5), 659 - 667. [in Russian]

Sirenko, B. I. (1988) A new genus of deep sea chitons Ferreiraella gen. n. (Lepidopleurida, Leptochitonidae) with a description of a new ultraabyssal species. Zoologicheskij zhurnal, 67 (12), 1776 - 1786. [in Russian, English summary]

Sirenko, B. I. (1992) Nierstraszellidae fam. nov. - a new family of chitons (Polyplacophora, Lepidopleurida) from the bathyal Western Pacific. Ruthenica, 2, 81 - 90.

Sirenko, B. I. & Sellanes, J. (2016) Update of the genus Leptochiton (Mollusca: Polyplacophora) in Chilean deep waters: three new reports and description of two new species. Zootaxa, 4173 (3), 259 - 279. https: // doi. org / 10.11646 / zootaxa. 4173.3.5

Sirenko, B. I. (2020) Leptochiton tahitiensis sp. nov. (Mollusca: Polyplacophora: Leptochitonidae) from the Society Islands, Polynesia. Zoosystematica Rossica, 29 (1), 87 - 92. https: // doi. org / 10.31610 / zsr / 2020.29.1.87

Sirenko, B. I., Saito, H. & Schwabe, E. (2022) A redescription of Leptochiton belknapi Dall, 1878 (Mollusca: Polyplacophora: Leptochitonidae), the type species of the new genus Belknapchiton. Zootaxa, 5205 (2), 101 - 124. https: // doi. org / 10.11646 / zootaxa. 5205.2.1