What is "fasciolaria tulipa"

Tulip-shell \Tu"lip-shell`\, n. (Zo["o]l.) A large, handsomely colored, marine univalve shell ( Fasciolaria tulipa) native of the Southern United States. The name is sometimes applied also to other species of Fasciolaria.

Fasciolaria tulipa, common name the true tulip, is a species of large sea snail, a marine gastropod mollusk in the family Fasciolariidae.