Pyrgoella irregularis
(d'Orbigny, 1839)
identified by scientist   
Quaternary
Caribbean

Pyrgoella sphaera
(d'Orbigny, 1839)
identified by scientist   
Quaternary
central North Pacific

Pyrgoella tenuiaperta
(Huang, 1970)
identified by M. Hesemann   
Quaternary
Azores

Pyrgoella sp.
---
identified by M. Hesemann   
Quaternary
Mediterranean Sea