Siphonochelus fistulosus is an extinct species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails.MolluscaBase (2018). Siphonochelus fistulosus (Brocchi, 1814) †. Accessed through: World Register of Marine Species at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1504140 on 2026-03-13
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