Cassis coronadoi Crosse, 1867 (basionym) Echinophoria coronadoi is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.

[1]This species occurs in the Caribbean Sea and the Gulf of Mexico.

On the continental shelf near Trinidad Isl., crabbed shells of this sp.

are sometimes caught in fish traps at 100 m. depth.

The maximum recorded shell length is 120.8 mm.