Pleuroploca gigantea (Kiener, 1840)
Florida horse conch
Pleuroploca gigantea
photo by Cox, Carol

Family:  Fasciolariidae (horse conchs, spindle shells)
Max. size: 
Environment:  benthic; marine
Distribution:  Western Central Atlantic.
Diagnosis:  Shell large, with up to 10 whorls. Sculpture of about 5 to 7 spiral cords and weak axial ribs that sometimes form knobs on whorl shoulders. Columella with 3 plications. Periostracum sometimes flaky. Colour: shell greyish white to salmon orange, usually orange in younger specimens; periostracum dark brown to light tan.
Biology:  This the largest gastropod in American waters, and the Florida State Shell. A variety lacking nodules known as 'knob less wonder' can be found in southwestern Florida. Broad, muscular foot is locally consumed in northwestern Mexico (Ref. 355).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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