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Megalobrachiutn erosum (Glassell 1936)

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Megalobrachiutn erosum (Glassell, 1936)

Pisasoma erosa Glassell, 1936:289.

Megalobrachium erosa.—Chace, 1942:100.

Megalobrachiutn erosum.—Haig, 1960:213, 222, pl. 16: fig. 8, pl. 40: fig. 2; 1962:191; 1970:26.

MATERIAL EXAMINED.—Perlas Islands; 1 , 1 ; 12–13 Jun 1973.

MEASUREMENTS.—4.0 × 4.4 to 4.4 × 5.0 mm.

DISTRIBUTION.—Known previously from the Gulf of California and outer coast of Baja California, Mexico, the two Panamanian specimens are a first recording for Panama and constitute a range extension southward of nearly 4000 km. This species, like other Gulf of California endemics noted elsewhere in this report, is possibly extralimital; from the intertidal zone to 50 m.

4. Megalobrachium pacificum Gore and Abele, 1974

Megalobrachium poeyi.—Haig, 1960:213, 214, 339, 340, pl. 16: fig. 4, pl. 39: fig. 1 [not M. poeyi (Guérin-Méneville, 1855)].

Megalobrachium pacificum Core and Abele, 1974:568, fig. 3F.

MATERIAL EXAMINED.—Panama City; 3 , 4 , 3 ovigerous; 14–15 Apr and 5 Jun 1969.

MEASUREMENTS.—Males 3.2 × 2.8 to 6.7 × 7.4 mm; female 6.3 × 6.8 mm; ovigerous females 3.7 × 3.5 to 8.2 × 9.0 mm.
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bibliographic citation
Gore, Robert H. and Abele, Lawrence G. 1976. "Shallow water porcelain crabs from the Pacific coast of Panamá and adjacent Caribbean waters (Crustacea, Anomura, Porcellanidae)." Smithsonian Contributions to Zoology. 1-30. https://doi.org/10.5479/si.00810282.237