Comprehensive Description
provided by Smithsonian Contributions to Zoology
Pacifastacus (Hobbsastacus) nigrescens (Stimpson)
Astacus nigrescens Stimpson, 1857a:87; 1857b:492.—Hagen, 1870:92, pl. 3: fig. 168.
Astacus (Astacus) nigrescens.—Faxon, 1884:152 [by implication].
Potamobius (Potamobius) nigrescens.—Ortmann, 1902:286 [by implication].
Astacus nigrescens nigrescens.—Faxon, 1914:360 [by implication].
Pacifastacus nigrescens nigrescens.—Bott, 1950:24 [by implication].
Pacifastacus nigrescens.—Riegel, 1959:44, figs. 3d, 9, 10.—Hobbs, 1972b:23, figs. 13b, 14d; 1974b:7, fig, 4.—Bouchard, 1978c:419.
Pacifastacus nigresens.—Goldman, 1973:107 [erroneous spelling].
Gambelly nigrescens.—Cabantous, 1976:50 [erroneous spelling].
Pacifastacus (Hobbsastacus) nigrescens.—Bouchard, 1978b:431.
TYPES.—Not extant; “probably destroyed in Chicago fire in 1871” (Faxon, 1914:408).
TYPE LOCALITY.—Vicinity of San Francisco, California.
RANGE.—Vicinity of San Francisco, California.
HABITAT.—Streams.
- bibliographic citation
- Hobbs, Horton Holcombe, Jr. 1989. "An Illustrated Checklist of the American Crayfishes (Decapoda, Astacidae, Cambaridae, Parastacidae)." Smithsonian Contributions to Zoology. 1-236. https://doi.org/10.5479/si.00810282.480
Comprehensive Description
provided by Smithsonian Contributions to Zoology
Pacifastacus nigrescens (Stimpson)
Astacus nigrescens Stimpson, 1857a:87; 1857b:492.—Hagen, 1870:92, pl. 3: fig. 168.
Astacus (Astacus) nigrescens.—Faxon, 1884:152 [by implication].
Astacus nigrescens nigrescens.—Faxon, 1914:360 [by implication].
Potamobius (Potamobius) nigrescens,—Ortmann, 1902:286 [by implication].
Pacifastacus nigrescens nigrescens.—Bott, 1950:24 [by implication].
Pacifastacus nigrescens.—Riegel, 1959:44, figs. 3D, 9, 10.—Hobbs, 1972b:23, figs. 13b, 14d.
Pacifastacus nigresens.—Goldman, 1973:107 [erroneous spelling].
TYPES.—Not extant; “probably destroyed in Chicago fire in 1871” (Faxon, 1914:408).
TYPE-LOCALITY.—Vicinity of San Francisco, California.
RANGE.—Vicinity of San Francisco, California.
HABITAT.—Streams.
- bibliographic citation
- Hobbs, Horton Holcombe, Jr. 1974. "A Checklist of the North and Middle American Crayfishes (Decapoda: Astacidae and Cambaridae)." Smithsonian Contributions to Zoology. 1-161. https://doi.org/10.5479/si.00810282.166
