Cryptogemma

Cryptogemma is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.

Distribution

These are deep-sea species with a wide geographic distribution.

Species

According to Zaccharias et al. this genus should only include:

Cryptogemma aethiopica
Cryptogemma periscelida
Cryptogemma phymatias
Cryptogemma powelli Zaharias, Kantor, Fedosov, Criscione, Hallan, Kano, Bardin & Puillandre, 2020
Cryptogemma praesignis
Cryptogemma tessellata
Cryptogemma timorensis
Cryptogemma unilineata.

The others should be excluded from this genus because the lack key characters such as the narrow fusiform shell and the well-marked peripheral anal sinus. They show closer resemblances to other conoidean families than to Turridae.
Species within the genus Cryptogemma include :

Cryptogemma aethiopica
Cryptogemma calypso Dall, 1919
Cryptogemma chilensis
Cryptogemma chrysothemis Dall, 1919
Cryptogemma cornea
Cryptogemma eldorana
Cryptogemma japonica
Cryptogemma longicostata Sysoev & Kantor, 1986
Cryptogemma oregonensis Dall, 1919
Cryptogemma periscelida
Cryptogemma phymatias
Cryptogemma polystephanus
Cryptogemma powelli Zaharias, Kantor, Fedosov, Criscione, Hallan, Kano, Bardin & Puillandre, 2020
Cryptogemma praesignis
Cryptogemma quentinensis Dall, 1919
Cryptogemma tessellata
Cryptogemma timorensis
Cryptogemma unilineata

;Species brought into synonymy:

Cryptogemma adrastia Dall, 1919: synonym of Carinoturris adrastia
Cryptogemma antigone Dall, 1919: synonym of Antiplanes antigone
Cryptogemma benthima : synonym of Cryptogemma phymatias
Cryptogemma eidola Dall, W.H., 1919: synonym of Borsonella callicesta
Cryptogemma polycaste Dall, 1919: synonym of ''Carinoturris polycaste''