Cryptogemma periscelida, Taxa Only, Exact Match: 2 Treatments

Polystira			Todd, Jonathan A. & Rawlings, Timothy A., 2014, A review of the Polystira clade — the Neotropic’s largest marine gastropod radiation (Neogastropoda: Conoidea: Turridae sensu stricto), Zootaxa 3884 (5), pp. 445-491 : 447	447
Cryptogemma periscelida			Zaharias, Paul, Kantor, Yuri I., Fedosov, Alexander E., Criscione, Francesco, Hallan, Anders, Kano, Yasunori, Bardin, Jérémie & Puillandre, Nicolas, 2020, Just the once will not hurt: DNA suggests species lumping over two oceans in deep-sea snails (Cryptogemma), Zoological Journal of the Linnean Society 190, pp. 532-557 : 549	549