basis of record
Bail, P.; Poppe, G.T. (2001). A conchological iconography: a taxonomic introduction of the recent Volutidae. <em>ConchBooks, Hackenheim.</em> 30 pp, 5 pl. (updated October 2008 for WoRMS). [details]
From editor or global species database
Diagnosis Head bilobed in front by a deep cleft. Siphon with one basal lobe on the left side of head. Racemose gland fluffy. Gland of Leiblein large and convoluted, tightly intricate with the oesophagus. Siphonal notch and fasciole absent. No operculum. [details]