Malacoplax californiensis (Lockington, 1877)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 241-242

publication ID

1175­5334

persistent identifier

https://treatment.plazi.org/id/C5657B52-FF6C-B3E2-44D1-F898C9680990

treatment provided by

Felipe

scientific name

Malacoplax californiensis (Lockington, 1877)
status

 

Malacoplax californiensis (Lockington, 1877) View in CoL

( Fig. 56A)

Eucrate View in CoL ? californiensis Lockington, 1877a: 33 View in CoL .

Speocarcinus californiensis . — Holmes 1900: 77. — Rathbun 1904: 190, pl. 9, fig. 1; 1917: 42, text fig. 16, pl. 10, figs. 2–3. — Schmitt 1921: 249, fig. 148, pl. 34, fig. 7. — Johnson & Snook 1927: 389, fig. 346.

Malacoplax californiensis View in CoL . — Guinot 1969: 259, fig. 27. — Garth & Abbott 1980: 612, fig. 25.30. — Ricketts et al. 1985: 357, fig. 274. — Hubbard & Dugan 1989: 55. — Jensen 1995: 33, fig. 50.

Diagnosis. Carapace nearly smooth, width of front over 0.25 times width of carapace, front notched in center; anterolateral carapace margins strongly curved, furnished with 3 teeth apiece. Third maxillipeds diverging anteriorly. Chelipeds unequal; carpus with spine on antero-internal angle, ridge at distal end of outer surface; hands wide, compressed; upper edge acute, sharply granulated, fingers ridged, nearly straight. Pereopod 5 upturned, relatively short. Carapace length 20.8 mm.

Color in life. Brownish to white, chelae with apices of fingers black ( Jensen (1995). The photograph by Garth & Abbott (1980) appears to be that of a preserved specimen.

Habitat and depth. Usually middle to low intertidal zones of mud flats, intertidal zone to 33 m.

Range. Morro Bay , California to Magdalena Bay, Baja California ; but usually south of Point Conception. Type locality San Diego, California .

Remarks. Malacoplax californiensis , the California burrowing crab, is uncommon and may be endangered by habitat destruction.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Panopeidae

Genus

Malacoplax

Loc

Malacoplax californiensis (Lockington, 1877)

Wicksten, Mary K. 2012
2012
Loc

Malacoplax californiensis

Jensen, G. C. 1995: 33
Hubbard, D. M. & Dugan, J. E. 1989: 55
Ricketts, E. F. & Calvin, J. & Hedgpeth, J. W. & Phillips, D. W. 1985: 357
Garth, J. S. & Abbott, D. 1980: 612
Guinot, D. 1969: 259
1969
Loc

Speocarcinus californiensis

Johnson, M. E. & Snook, H. J. 1927: 389
Schmitt, W. L. 1921: 249
Rathbun, M. J. 1904: 190
Holmes, S. J. 1900: 77
1900
Loc

Eucrate

Lockington, W. N. 1877: 33
1877
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