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Neocrangon abyssorum (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 117

publication ID

 1175­5334

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scientific name

 Neocrangon abyssorum (Rathbun, 1902)
status

 

Neocrangon abyssorum (Rathbun, 1902) View in CoL

( Fig. 29A–D)

Crangon abyssorum Rathbun, 1902a: 890 View in CoL ; 1904: 125, fig. 66. — Butler 1980: 112. — Krygier & Pearcy 1981: 89. — Wicksten 1989b: 313.

Crago abyssorum . — Schmitt 1921: 97, fig. 65.

Crangon (Neocrangon) abyssorum View in CoL . — Zarenkov 1965: 1762. — Birshtein & Zarenkov 1972: 441.

Neocrangon abyssorum View in CoL . — Kuris & Carlton 1977: 554.

Diagnosis. Exoskeleton very thin. Rostrum short, ascending, narrow, apex acute. Carapace with 2 median dorsal teeth, anterior one smaller than posterior; strong antennal, branchiostegal and hepatic teeth, weak pterygostomian tooth. Eye large, cornea well developed, both eyes contiguous. Antennular peduncle shorter than 0.5 length of scaphocerite. Scaphocerite slender, lateral tooth exceeding blade. Third maxilliped long, slender, exopod present. Pereopod 1 stout, dactyl closing obliquely across propodus, merus, carpus each with strong distal tooth. Pereopod 2 very slender, chelate. Pereopods 3–5 slender, with simple, slightly flattened dactyls. Abdominal somites 4, 5 smooth, sixth with 2 dorsal carinae, pleura with more or less rounded or obtuse margins. Telson narrow, with median dorsal sulcus, 2 pairs dorsolateral spines, acute apex, exceeding uropods. Male total length 64 mm, female 63 mm.

Color in life. Not reported.

Habitat and depth Benthic, 97–2975 m, but usually deeper than 1200 m off California .

Range. East of Kurile Is. , east coast of Japan, Bering Sea to Cortez Bank, California. Type locality Bering Sea, southwest of Pribilof Is .

Birshtein, Y. A. & Zarenkov, N. A. (1972) Bottom decapods (Crustacea Decapoda) of the Kurile-Kamchatka Trench area. In: Bogorov, V. G. (Ed.) Fauna of the Kurile - Kamchatka Trench and its Environment. Akadamiya NAUK USSR, Trudy Instituta Okeanologii, 86, 439 - 447. English translation, Israel Program for Scientific Translations.

Butler, T. H. (1980) Shrimps of the Pacific Coast of Canada. Canadian Bulletin of Fisheries and Aquatic Science, 202, 1 - 280.

Krygier, E. E. & Pearcy, W. G. (1981) Vertical distribution and biology of pelagic decapod crustaceans off Oregon. Journal of Crustacean Biology, 1, 70 - 95.

Kuris, A. M. & Carlton, J. T. (1977) Description of a new species, Crangon handi, and new genus, Lissocrangon, of crangonid shrimps (Crustacea: Caridea) from the California coast, with notes on adaptation in body shape and coloration. Biological Bulletin, 15, 540 - 559.

Rathbun, M. J. (1902 a) Descriptions of new decapod crustaceans from the west coast of North America. Proceedings of the United States National Museum, 24, 885 - 905.

Rathbun, M. J. (1904) Decapod crustaceans of the northwest coast of North America. Harriman Alaska Expedition, 10, 1 - 219.

Schmitt, W. L. (1921) The marine decapod Crustacea of California. University of California Publications in Zoology, 23, 1 - 470.

Wicksten, M. K. (1989 b) Ranges of offshore decapod crustaceans in the eastern Pacific Ocean. Transactions of the San Diego Society of Natural History, 21, 291 - 316.

Zarenkov, N. A. (1965) Revision of the genera Crangon Fabricius and Sclerocrangon G. O. Sars (Decapoda, Crustacea). Zoologischeskii Zhurnal, 44, 1761 - 1775. (Translation from Russian by Fisheries Research Board of Canada Translation Service, 1465, year 1970).

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Crangonidae

Genus

Neocrangon

Specimens