Kjalarnes, Iceland

trawled at 20 m depth

H. 55.5 mm - W. 50.3 mm

Norway, Barentz Sea

trawled at 200 m depth

H. 56.0 mm - W. 52.0 mm

Digby County, Nova Scotia, Canada

trawled at 100 m depth on coarse sand

H. 53.2 mm - W. 47.8 mm

Iceland

trawled at 20 m depth

H. 76.3 mm - W. 70.6 mm