Exceptional finding in the Mediterranean.

This record provides a scholarly reference copy of: Nicolay, K. AphiaID: 234159). Bayer’s original description is reproduced and no full redescription is provided. The proposed subspecific distinction rests primarily on:• larger adult size• weaker spiral sculpture• marked geographic separation between Antillean and Mediterranean populations ────────────────────────────────────────CURRENT TAXONOMIC STATUS (MolluscaBase)────────────────────────────────────────MolluscaBase (AphiaID: 1812386; SourceID: 41196) treats *Latiaxis sentix carcassii* Nicolay & Angioy, 1985 as an unaccepted junior subjective synonym of *Babelomurex perfectus* (P. Fischer, 1883).The nominal species discussed by the authors, *Coralliophila sentix* Bayer, 1971 (AphiaID: 234159), is currently placed in *Babelomurex*. ────────────────────────────────────────SOURCE AND PURPOSE────────────────────────────────────────This deposition preserves the protologue for nomenclatural verification, historical traceability, and systematic study within the Institute for Molluscan Systematics (IMS) reference corpus.