Pachycheles calculosus Haig 1960

Pachycheles calculosus Haig, 1960

Pachycheles calculosus Haig, 1960:135, 136, pls. 10, 31: fig. 4; 1968:57, 68.

MATERIAL EXAMINED.—Punta Paitilla; 1 ; 7 Jul 1969.

MEASUREMENTS.—2.0 × 2.7 mm.

DISTRIBUTION.—Sihuantenejo Bay, Mexico to La Libertad, Ecuador; littoral to 8 m.

Pachycheles calculosus Haig, 1960

MATERIAL EXAMINED.—MEXICO, Sonora, Playas Arenosas (sta 1548), 1, 1 juv; EL SALVADOR, La Unión, Los Maquilis (sta 1564), 1; COSTA RICA, Puntarenas, Golfo de Nicoya (sta 1567), 1 [tentative identification, chelipeds lacking]; PANAMA, Fort Kobbe (sta 108-1), 1, 1; Isla Venado (sta 86-2), 3; (sta 111-1), 1, 2 (1 ovigerous), 1 juv; Farfan (sta 56-1), 2; Fort Amador, Naos Island (sta 29-1), 1; Culebra Island (sta 28-1, 2), 2, 3 (2 ovigerous); Panama City, Paitilla Beach (sta 52-1), 1; Punta Paitilla (sta 107-1), 2, 1 juv; Recife de Casa de Putas (sta 133-5B), 1 ovigerous.

MEASUREMENTS.—1.6 × 1.6 to 7.5 × 8.8 mm; smallest ovigerous, 2.5 × 3.0 mm.

DISTRIBUTION.—The record from Playas Arenosas (Cholla Bay), Sonora, Mexico extends the range of this species northward from Sinaloa, Mexico approximately 700 km (450 miles) to the northeastern Gulf of California. It occurs southward to La Libertad, Ecuador; littoral to 8 m.