Mesocrangon munitella ( Walker, 1898 )

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 114-115

Mesocrangon munitella ( Walker, 1898)

( Fig. 28F)

Crangon munitellus Walker, 1898: 275 , pl. 16. — Holmes 1900: 176. — Kozloff 1974: 164. — Wicksten 1980: 39; 1983b: 51.

Crangon munitella — Rathbun 1904: 132.

Crago munitella — Schmitt 1921: 101, fig. 70. — Johnson & Snook 1927: 314. — Word & Charwat 1976: 81.

Mesocrangon ? munitella — Zarenkov 1965: 1762.

Mesocrangon munitella — Butler 1980: 121. — Carvacho & Olson 1984: 65. — Wicksten & Hendrickx 2003: 69. — Jensen 1995: 39, fig. 56. — Kuris et al. 2007: 636.

Diagnosis. Body stout, depressed. Shell thick. Rostrum short, broad, rounded. Carapace with 2 median dorsal teeth, submedian tooth ahead of mid-carapace, lower submedian tooth, moderate hepatic tooth, each with supporting carina; also moderate antennal, strong branchiostegal, weak pterygostomian teeth. Eye moderately large. Antennular peduncle short. Scaphocerite broad, blade exceeding lateral tooth. Third maxilliped long, with exopod. Pereopod 1 stout, dactylus closing obliquely across propodus. Pereopod 2 long, slender, chelate. Pereopod 3 slender, with simple dactylus. Pereopods 4, 5 stout, with slightly flattened dactyls. Only abdominal somite 6 with flat dorsal median carina; all abdominal pleura rounded. Telson shorter than uropods, with 2 pairs dorsolateral spines, rounded apex. Female total length 23 mm, male not reported.

Color in life. Variable, camouflaged like shell or gravel; mottled brown with white dorsal markings, dark slate, banded with slate, center of body red, banded with slate, red ( Jensen 1995).

Habitat and depth. Sand, rock and shell, 2–94 m.

Range. Goose I., Queen Charlotte Sound to off Thurloe Head, Baja California, Mexico; San Francisquito Bay and off Tiburon I., Gulf of California. Type locality Puget Sound .