Work found, with species-group names introduced therein:
Talavera, F. G. and D. Princz. 1985.Marginella lasallei spec. nov. y revision de la familia Marginellidae en el mar Venezolana. Bollettino Malacologico 20 273-282. [Stated date: -- Dec 1984; true date: -- Mar 1985.] Marginella lasallei, see Dentimargo sulcatus (d'Orbigny, 1842)