The Fasciolariidae Family includes 566 species comprising 3 subfamilies (Fusininae (34 genus), Peristerniinae (20), Fasciolariinae (14))
and 68 genus (Fusinus (91 species), Peristernia (53), Latirus (47), Granulifusus (34), Pseudofusus (25), Marmorofusus (21), ...)

Phylum      : Mollusca
 Class       : ⤷Gastropoda 
  Subclass    : ⤷Caenogastropoda 
   Order       : ⤷Neogastropoda 
    Superfamily : ⤷Buccinoidea 
     Family      : ⤷Fasciolariidae

Common name : tulip snails, spindle snails, or horse conchs

Aspect : spindle-shaped to elongate-ovate with often spiral striations and axial ribs; high spire with prominent, often shouldered whorls; average size from 10 to 25 cm; short to long curved siphonal canal; inner lip thickened by the presence of a callus sometimes smooth or with weak plications; highly variable colors (brown, orange, cream, banded); aperture often white or pink; Note - horse conch (Triplofusus giganteus) is the largest gastropod in American waters (60 cm) and a state symbol of Florida

Feeding : carnivorous predators (bivalves, gastropods, and polychaetes)

Environment : warm-temperate to tropical waters; Indo-West Pacific (highest diversity), western Atlantic (e.g., Florida, Caribbean), eastern Pacific (less common); marine, subtidal to shallow shelf in sand, mud, seagrass beds, coral rubble occasionally in mangrove channels or estuaries; depths 0–200 m (mostly < 50 m)