Calastacus stilirostris Faxon, 1893

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 135

publication ID	11755334
DOI	https://doi.org/10.5281/zenodo.5255068
persistent identifier	https://treatment.plazi.org/id/C5657B52-FF1A-B395-44D1-FD78CD810EA1
treatment provided by	Felipe (2021-08-24 08:22:12, last updated by Plazi 2023-11-04 15:45:02)
scientific name	Calastacus stilirostris Faxon, 1893
status

Treatment

Calastacus stilirostris Faxon, 1893 View in CoL

( Fig. 31F)

Calastacus stilirostris Faxon, 1893: 194 View in CoL ; 1895: 106, pl. 27, figs. 1– 1f. — de Saint Laurent 1972b: 354. — Hart 1982: 46, fig. 9. — Kensley 1989: 961. — Wicksten 1989b: 312. — Hendrickx 1995b: 157.

Diagnosis. Rostrum long, narrow; reaching second segment of antennular peduncle, with stout teeth at base. Carapace with prominent cervical groove, narrow anterior dorsal ridge. Eyestalk short, cornea without pigment. Antennular peduncle narrow. Antennal peduncle with long, narrow, thorn-like projections on second and third segments. Flagella of both antennae long, setose. Third maxilliped not as long as merus of major chela, with teeth on widest segment. Pereopod 1 with chelipeds subequal, fingers without gape, apices crossing. Palm of chela with prominent dorsal teeth, merus with sharp teeth on both dorsal, ventral sides. Pereopod 2 chelate, posterior pereopods slender, with simple dactyls. Abdomen slender, pleura blunt or rounded. Telson subequal in length to uropods, with 2 unarmed dorsal ridges. Uropods with unarmed ridges, outer margins with teeth. First pleopods modified for copulation, uniramous, others biramous. These crustaceans are hermaphroditic ( Hart 1982). Total length 52 mm.

Color in life. Not reported.

Habitat and depth. Brown sand or rock, 700–1208 m.

Range. Southwestern British Columbia to Peru. Type locality southeast of Acapulco, western Mexico (Albatross sta. 3418, 16˚ 33' N, 99˚ 52' 30"W) .

Remarks. At present, there are no records of this species between Washington and northern Baja California.

References

Faxon, W. (1893) 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. VI. Preliminary descriptions of new species of Crustacea. Bulletin of the Museum of Comparative Zoology at Harvard College, 24, 149 - 220.

Faxon, W. (1895) Reports on an exploration off the west coasts of Mexico, central and South America, and off the Galapagos Islands, in charge of Alexander Agassiz, by the U. S. Fish Commission steamer Albatross during 1891, Lieut. Commander Z. L. Tanner, U. S. N., commanding. 15. The stalk-eyed Crustacea. Museum of Comparative Zoology at Harvard College Memoir, 18, 1 - 292.

Hart, J. F. L. (1982) Crabs and their Relatives of British Columbia. British Columbia Provincial Museum Handbook 40, Victoria, 267 pp.

Hendrickx, M. E. (1995 b) Checklist of lobster-like decapod crustaceans (Crustacea: Decapoda: Thalassinidea, Astacidea and Panuliridea) from the eastern tropical Pacific. Anales del Instituto de Biologia de la Universidad Nacional Autonoma de Mexico, Series Zoologia, 66, 151 - 163.

Kensley, B. F. (1989) New genera in the thalassinidean families Calocarididae and Axiidae (Crustacea: Decapoda). Proceedings of the Biological Society of Washington, 102, 960 - 967.

Saint Laurent, M. de (1972 b) Un Thalassinide nouveau du golfe de Gascogne, Calastacus laevis sp. nov. Remarques sur le genre Calastacus Faxon (Crustacea Decapoda Axiidae). Bulletin du Museum d ' Histoire naturelle, (Paris) (3) no. 35, Zoologie 29, 347 - 356.

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.