Argopecten circularis (Sowerby I, 1835)

Pecten ventricosus aequisulcatus Carpenter, 1864

Sonora, West Mexico

trawled by local fishermen

H. 55.0 mm - W. 55.6 mm

Isla de la Plata, Manabi, Ecuador

dived in sand at 15-20 m depth

H. 49.6 mm - W. 50.6 mm

Tortula Isl., Panama

dredged at 10-15 m depth

H. 56.5 mm - W. 56.8 mm

Sonora, Mexico

trawled by local fishermen

H. 51.6 mm - W. 54.3 mm

Isla de la Plata, Manabi, Ecuador

dived in sand at 15-20 m depth

H. 33.9 mm - W. 33.7 mm

Baja California, Mexico

taken in shallow water on sand

H. 66.7 mm - W. 71.6 mm

Libertador, Ecuador

dredged in sand at 15-20 m depth

H. 55.1 mm - W. 57.9 mm