Leptochiton belknapi Dall 1878
Creators
Description
Leptochiton belknapi Dall, 1878
(Figs 1 A, B, 2–4)
Leptochiton belknapi Dall, 1878: 1; Kaas & Van Belle, 1987: 23, fig.10; Schwabe & Sellanes, 2010: 33, fig.1L–M; Sirenko, 2015: 154 –155.
Leptochiton alveolus; Ferreira, 1979:152, fig 10 (in part, non Chiton alveolus M.Sars MS, Lovén, 1846); Kaas & Van Belle, 1985: 36, fig.14, map 6 (in part, non Chiton alveolus Lovén, 1846).
Leptochiton farallonis Dall, 1902: 557.
Leptochiton mesogonus Dall, 1902: 555. Leptochiton opacus Dall, 1908: 218.
Leptochiton sp. Sellanes et al., 2004: 1066.
Type material. Holotype (USNM 30972).
Type locality. Off Western Aleutian Islands, 53°08’N, 171°19’W, 1840 m depth.
Material examined. Holotype; off Chile, RV AGOR Vidal Gormáz, st. VG07-7, AGT-8, 36.0023°– 36.0058°S, 73.3841° – 73.3706°W, 922–1013 m depth, 2 spms (ZISP 2274), BL— 18–20 mm, 07.10.2007; RV Melville st. INSPIRE, AGT-3_533, 36.22523°S, 73.43115°W, 724 m, 4 spms (SCBUCN 4136), BL— 12–30 mm, 0 9.03.2010.
Distribution. Widespread species, inhabits the Pacific Ocean from off Pacific side of Hokkaido (40°12’N), the Sea of Okhotsk and Bering Sea and North and South America’s Pacific waters southwards to 42°40’S, at depth of 100 to 3724 m, based on SEM examination of 23 specimens from the mentioned areas.
Revised diagnosis. Animal of moderate size, elongate oval. Intermediate valves subcarinated. Tegmentum sculptured with small granules evenly arranged quincuncially. Each granule with one megalaesthete and two micraesthetes positioned in front of megalaesthete. Dorsal side of girdle densely covered with pointed scales with 2–4 ribs. Central tooth of radula short and wide, major lateral tooth with big, unicuspid head and very small denticle (also termed appendix) at inner edge. Fifteen gills per side ranging from valve VII to anus.
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- AGOR , ZISP
- Event date
- 2007-07-10
- Family
- Leptochitonidae
- Genus
- Leptochiton
- Kingdom
- Animalia
- Material sample ID
- ZISP 2274
- Order
- Lepidopleurida
- Phylum
- Mollusca
- Scientific name authorship
- Dall
- Species
- belknapi
- Taxon rank
- species
- Type status
- holotype
- Verbatim event date
- 2007-07-10
- Taxonomic concept label
- Leptochiton belknapi Dall, 1878 sec. Sirenko & Sellanes, 2016
References
- Dall, W. H. (1878) Description of new form of mollusks from Alaska contained in the collections of the National Museum. Proceedings of the United States National Museum, 1, 1 - 3. http: // dx. doi. org / 10.5479 / si. 00963801.1
- Kaas, P. & van Belle, R. A. (1987) Monograph of living chitons. Vol. 3. Suborder Ischnochitonina: Ischnochitonidae: Chaetopleurinae, and Ischnochitoninae. E. J. Brill / W, Backhuys, 302 pp.
- Schwabe, E. & Sellanes, J. (2010) Revision of Chilean bathyal chitons Mollusca: Polyplacophora) associated with cold-seeps, including description of a new species of Leptochiton (Leptochitonidae). Organisms Diversity & Evolution, 10 (1), 31 - 55. http: // dx. doi. org / 10.1007 / s 13127 - 009 - 0002 - 6
- Sirenko, B. I. (2015) Shallow and deep-sea chitons of the genus Leptochiton Gray, 1847 (Mollusca: Polyplacophora: Lepidopleurida) from Peruvian and Chilean waters. Zootaxa, 4033 (2), 151 - 202. http: // dx. doi. org / 10.11646 / zootaxa. 4033.2.1
- Ferreira, A. J. (1979) Thee family Lepidopleuridae (Mollusca: Polyplacophora) in the eastern Pacific. Veliger, 22 (2), 145 - 165.
- Loven, S. L. (1846) Index molluscorum litora Scandinaviae Occidentalia habitantium. Ofverssigt Af Kungel Svenska Vetenskaps-Akademiens Forhandlinger, 3, 134 - 160.
- Kaas, P. & van Belle, R. A. (1985) Monograph of living chitons. Vol. 1. Order neoloricata: Lepidopleurina. E. J. Brill / W. Backhuys, Leiden, 240 pp.
- Dall, W. H. (1902) Illustrations and descritions of new, unfigured, or imperfectly known shells, chiefly American in the U. S. National Museum. Proceedings of the U. S. national Museum, 24, 499 - 566. http: // dx. doi. org / 10.5479 / si. 00963801.24 - 1264.499
- Dall, W. H. (1908) Report of the dredging operations off the West coast of Central America, to the Galapagos, etc … by the U. S. Fish. Comm. Steamer " Albatross ", 1891. 37, Reports on the scientific results. Etc. 14, The Mollusca and Brachiopoda. Bulletin of the Museum of comparative Zoology of the Harvard University, 43 (6), 205 - 287
- Sellanes, J., Quiroga, E. & Gallardo, V. A. (2004) First direct evidences of methane seepage and associated chemosynthetic communities in the bathyal zone off Chile. Journal of the Marine Biological Association UK, 84 (5), 1065 - 1066. http: // dx. doi. org / 10.1017 / S 0025315404010422 h