Kice Isl., S. of Marco Isl., Florida, United States

washed onto beach after hurricane

H. 42.6 mm - W. 46.3 mm

off Destin, Florida, United States

dredged at 73 m depth

H. 52.5 mm - W. 55.2 mm

Marco Isl., Pompano Flat, Florida, United States

found on sand flat at extreme low tide

H. 46.8 mm - W. 48.4 mm

Kice Isl., Florida, United States

washed onto beach after hurricane

H. 39.3 mm - W. 41.7 mm

Henderson Isl., Florida, United States

trawled at 30 m depth

H. 31.1 mm - W. 33.1 mm

Punta Mangle, Isla Margarita, Venezuela

dived at night at 45 ft depth on soft sand among eel grass

H. 30.1 mm - W. 32.4 mm