Original taxon: Trochus suturalis.
Trawled at 300m deep, in the Strait of Gibraltar. 15mm, 1998.
« Testa obliqua, depresso-conica; anfractibus planatis, medio laevissimis supra et infra serie tuberculorum parvorum coronatis; ultimo [whorl] angulato, marginato; facie inferiore convexa, contentrice cingulata, umbilicata. » – R. A. Philippi: Enumeratio molluscorum Siciliae… vol. I page 185, plate X figures 23 & 23a (the detail on the left), and vol. II page 156.
Synonyms: gorgonarum, tetragonostoma…
A smooth form dredged off Melilla, N. Morocco. 16mm.
« Testa imperforata, conica, parum elevata, crassiuscula, supra pallide lutescente vel cinerea, lineis fuscis radiantibus , subflexuosis, irregularibus ornata, infra alba ; anfractus 1-8 planulati, sutura canaliculata discreti, liris angustis paucis, in medio, anfractus obsoletis aut evanidis ornata ; lira infrasuturali majore, crenulata ; anfractus ultimus acute carinatus, infra liris densis, concentricis munita ; apertura rhomboidalis, labro acuto ; callo basali lato, subcirculari, umbilicum tegente. […] Inhabits the Cape Verde Islands, 410-596m. Very common. » – P. Fischer: “Diagnoses d’espèces nouvelles de mollusques…”, Journal de Conchyliologie 31, Paris 1883-1884, pages 393-394.
