Monotypic family, detected via DNA-based phylogenetic studies.
 

« Shell medium-sized, attaining 50mm, narrowly fusiform, with high turriculate spire and attenuated long siphonal canal (fig. 5D). Subsutural ramp narrow, well defined, weakly concave. Shoulder obtusely angulated. Axial sculpture of distinct narrow to broad axial ribs. Spiral sculpture of thin cords. Anal sinus moderately deep, peripheral. Protoconch of three smooth whorls, conical. Operculum with terminal nucleus. » – Abdelkrim & al.: “Exon-Capture-Based Phylogeny and Diversification of the Venomous Gastropods (Neogastropoda, Conoidea)”, Molecular Biology and Evolution vol. 35(10), Oxford 2018, p.2363.