Heptacarpus flexus

• Main Author: Wicksten, Mary K.
• Format: Text
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Decapoda; Hippolytidae; Heptacarpus; Heptacarpus flexus; Bering Sea; San Juan; Okhotsk; Canada; Pacific; Kamchatka Peninsula; Hippolyte; Yakovlev; Seal Islands; Archipelago; Kamchatka; Alaska
• Online Access: https://dx.doi.org/10.5281/zenodo.5254951; https://zenodo.org/record/5254951

Heptacarpus flexus (Rathbun, 1899) (Fig. 20E) Spirontocaris camtschatica Rathbun, 1899: 557 [not Hippolyte camtschatica Stimpson, 1860]. Spirontocaris flexa Rathbun, 1904: 78, fig. 32.— Schmitt 1921: 58, fig. 36. Heptacarpus flexus . — Holthuis 1947: 12. — Kozloff 1974: 167. — Word & Charwat 1976 b: 115.— Butler 1980: 206. — Wicksten 1989b: 312; 1990b: 594. — Chace 1997: 44. — Komai & Yakovlev 2000: 304. Diagnosis. Very similar to H . tenuissimus except rostrum with 4 or 5 dorsal, 5–8 ventral teeth, anterior-most dorsal tooth near to or behind middle of rostrum. Stylocerite exceeding first segment of antennular peduncle. Third maxilliped, pereopods 1, 2 with epipods. Pereopods 3–5 slender, dactyls slender, weakly bifid. Merus of pereopod 3, with 2 spines; pereopod 4, with 2 spines; pereopod 5, with 1 spine. Pleura of abdominal somites 1–4 rounded, 5 with ventral point. Somite 3 with dorsal hump. Telson with 4 pairs dorsolateral spines. Female total length to 54 mm, male not reported. Color in life. Not reported. Habitat and depth. Benthic, 37–172 m. Range. Sea of Japan, Sea of Okhotsk, Kuril Is. and Kamchatka; Bering Sea to Farallon Is., California. Type locality north of Bird I., Shumagins, Alaska. Word & Charwat (1976) included this species in their guide to the shrimps of southern California, but there are no records of this species south of the Farallon Is. : Published as part of Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, pp. 1-307 in Zootaxa 3371 on pages 81-82 : {"references": ["Rathbun, M. J. (1899). List of the Crustacea known to occur on or near the Pribilof Islands. In: Jordan, J. D. (Ed.) The Fur Seals and Fur Seal Islands of the North Pacific Ocean, Part III. Washington, D. C., pp. 555 - 557.", "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.", "Holthuis, L. B. (1947) The Decapoda of the Siboga expedition Part IX: the Hippolytidae and Rhynchocinetidae. Siboga Expeditie, 39 a (8), 1 - 100.", "Kozloff, E. N. (1974) Keys to the Marine Invertebrates of Puget Sound, the San Juan Archipelago, and Adjacent Regions. University of Washington Press, Seattle, 226 pp.", "Word, J. & Charwat, D. (1976) Invertebrates of Southern California Coastal Waters. II. Natantia. Southern California Coastal Water Research Project, El Segundo, California. 238 pp.", "Butler, T. H. (1980) Shrimps of the Pacific Coast of Canada. Canadian Bulletin of Fisheries and Aquatic Science, 202, 1 - 280.", "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.", "Wicksten, M. K. (1990 b) Key to the hippolytid shrimp of the eastern Pacific Ocean. United States Fishery Bulletin, 88, 587 - 598.", "Chace, F. A. Jr. (1997) The caridean shrimps (Crustacea: Decapoda) of the Albatross Philippine Expedition, 1907 - 1910, Part 7: families Atyidae, Eugonatonotidae, Rhynchocinetidae, Bathypalaemonellidae, Processidae, and Hippolytidae. Smithsonian Contributions to Zoology, 587, 1 - 106.", "Komai, T. & Yakovlev, Y. (2000) Decapod crustaceans collected during the biological expedition to the Kamchatka Peninsula and the North Kuril Islands in 1997. Natural History Research, special issue 7, 301 - 322."]}