Leptochiton belknapi Dall, 1878

Schwabe, Enrico, 2008, A summary of reports of abyssal and hadal Monoplacophora and Polyplacophora (Mollusca) *, Zootaxa 1866, pp. 205-222 : 213-214

publication ID	https://doi.org/10.5281/zenodo.183815
DOI	https://doi.org/10.5281/zenodo.6234335
persistent identifier	https://treatment.plazi.org/id/03B2023C-FF97-397E-FF42-8ADEFEBCFC27
treatment provided by	Plazi (2016-04-06 07:58:52, last updated 2024-11-26 03:13:35)
scientific name	Leptochiton belknapi Dall, 1878
status

Treatment

Leptochiton belknapi Dall, 1878 View in CoL

Leptochiton belknapi Dall 1878: 1 View in CoL .

While the species was originally described from the Bering Sea of the Alaskan Aleutian Islands, from a depth

of 1840 m “only”, there are subsequent deeper records of this species from the following localities:

specimen number unknown; [described as Leptochiton benthus , which is a junior synonym] from the North Pacific, 15° north of Hawaii (35°41'N, 157°42'E), 4206 m ( Haddon 1886)

specimen number unknown; [described as Lepidopleurus mesogonus , which is a junior synonym] from Canada, British Columbia, off the Queen Charlotte Islands [53°06’N, 132°14’W], 2904 m ( Dall 1902)

specimen number unknown; [described as Lepidopleurus halistreptus , which is a junior synonym] from Mexico, off Acapulco (14°46'N, 98°40'W), 3436 m ( Dall 1902) [locality data from Dall 1908]

3 specimens [described as Lepidopleurus giganteus , which is a junior synonym] from Indonesia, south of Sulawesi Tengarra, Banda Sea (06°24'S, 124°39'E), 2798 m ( Nierstrasz 1905)

specimen number unknown; [described as Lepidopleurus opacus , which is a junior synonym] from the Gulf of Panama (07°05'30''N, 79°40'W), 2323 m ( Dall 1908)

specimen number unknown; [described as Lepidopleurus opacus ] from between the Galapagos Islands and the Peruvian coast (04°33'S, 87°42.5'W), 3667 m ( Dall 1908)

1 specimen [as Lepidopleurus (Leptochiton) benthus ( Haddon, 1886) ] from the eastern Pacific (15°N, 125°W), 4000 m ( Hanselman 1977)

Lepidopleurus benthus ( Haddon, 1886) was generally mentioned as occurring at a depth below 4000 m ( Sirenko 1977)

4 specimens [as Leptochiton alveolus View in CoL ] from the United States of America, Oregon, off Lincoln County (44°33.5'N, 125°14.6'W), 2000 m ( Ferreira 1979) [this is “CASIZ RV Ancona ”, data from: http:// www.calacademy.org/research/izg/iz_coll_db/index.asp]

3 specimens [as Leptochiton alveolus ] from the United States of America, California, 10 miles SE off Farallon Islands, SW by S1/4 S (37°48'N, [122°58’W]), 2341–2741 m ( Ferreira 1979) [this is “CASIZ USS Mulberry; RV Scofield ”, data from: http://www.calacademy.org/research/izg/iz_coll_db/index.asp]

3 specimens [as Leptochiton alveolus ] from Mexico, off Nayarit, Las Tres Marias Islands (21°25'N, [106°28’W]), 2996–2999 m ( Ferreira 1979) [this is “CASIZ 009520”, data from: http://www.calacademy.org/research/izg/iz_coll_db/index.asp]

1 specimen [as Leptochiton alveolus ] from Japan, near Northern Honshu, 2500 m ( Ferreira 1979) [this is “CASIZ 001818”, data from: http://www.calacademy.org/ research/izg/iz_coll_db/index.asp]

1 specimen [as Leptochiton alveolus ] from off Baja California Sur southwest of Cabo San Lucas (22°30.8' 22°37.2'N, 110°03.8' 110°15.5'W), 2507–2891 m ( Ferreira 1980)

1 specimen from off northeastern Honshu, Japan (38°21.7'N, 143°25.9'E), 2930–3020 m ( Wu & Okutani 1984)

4 specimens from south of IzuShoto, Japan (30°37.0'N, 140°40.5'E), 2140 m ( Wu & Okutani 1984)

1 specimen from IzuShoto, Japan (31°58.1'N, 140°21.0'E), 2230–2245 m ( Wu & Okutani 1984)

1 specimen from the Philippines (06°08'N, 125°58'E), 2800 m (Kaas 1990)

2 specimens from the Philippines (05°02'N, 125°15'E), 3250 m (Kaas 1990)

1 specimen from the Philippines (14°05'N, 120°02'E), 2050 m (Kaas 1990)

specimen number unknown; from the Commander Islands [54°48’N, 166°59’E], 100–4400 m ( Sirenko & Agapova 1997)

References

Dall, W. H. (1878) Descriptions of new forms of mollusks from Alaska contained in the collection of the National Museum. Proceedings of the United States National Museum, 1, 1 - 3.

Dall, W. H. (1902) Illustrations and descriptions of new, unfigured, or imperfectly known shells, chiefly American, in the U. S. National Museum. Proceedings of the United States National Museum, 24 (1264), 499 - 566, pls 27 - 40.

Dall, W. H. (1908) Reports on the Dredging Operations off the West Coast of Central America to the Galapagos, to the West Coast of Mexico, and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U. S. Fish Commission Steamer Albatross during 1891., Lieut. Commander Z. L. Tanner, U. S. N., Commanding, XXXVIII. And. Reports on the Scientific Results of the Expedition to the Eastern Tropical Pacific in charge of Alexander Agassiz, by the U. S. Fish Commission Steamer Albatross , from October, 1904, to March, 1905, Lieut. Commander L. M. Garrett, U. S. N., Commanding, XIV. Reports on the Mollusca and Brachiopoda. Bulletin of the Museum of Comparative Zoology at Harvard College, 43 (6), 205 - 487, pls 1 - 22.

Ferreira, A. J. (1979) The family Lepidopleuridae (Mollusca: Polyplacophora) in the Eastern Pacific. The Veliger, 22 (2), 145 - 165.

Ferreira, A. J. (1980) A new species of Lepidopleurus Risso, 1826 (Mollusca: Polyplacophora) in the Deep Waters of the Eastern Pacific. The Veliger, 23 (1), 55 - 61.

Haddon, A. C. (1886) Report on the Polyplacophora collected by H. M. S. Challenger during the years 1873 - 76. Challenger Reports, 15 (43), 1 - 50, pls 1 - 3.

Hanselman, G. A. (1977) New range extensions for chitons (Amphineura: Polyplacophora). Veliger, 20 (1), 62.

Nierstrasz, H. F. (1905) Die Chitonen der Siboga-Expedition. Siboga Expeditie, 48, 1 - 112, pls 1 - 8.

Sirenko, B. I. (1977) Vertical distribution of chitons of the genus Lepidopleurus (Lepidopleuridae) and its new ultraabyssal species. Zoologiceskij Zurnal, 56 (7), 1107 - 1110.

Sirenko, B. I. & Agapova, T. A. (1997) Chitons of the shelf and upper bathyal zone of the Commander Islands. pp. 207 - 229. In: RZHAVSKY, A. V. (ed.) Benthic flora and fauna of the shelf zone of the Commander Islands, Vladivostok, Dalnauka Press, 270 pp.

Wu, S. - K. & Okutani, T. (1984) The deepsea chitons (Mollusca: Polyplacophora) collected by the R / V Soyo-Maru from Japan - I. Lepidopleuridae. Venus, 43 (1), 1 - 31.