Trifarina angulosa
(Williamson, 1858)
identified by scientist   
Neogene
Pannonian Basin

Trifarina bradyi
Cushman, 1923
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Trifarina fluens
(Todd, 1947)
identified by scientist   
Quaternary
off Biscaya and Iberia

Trifarina gracilis
(Vella, 1957)
identified by M. Hesemann   
Neogene
North European Plain

Trifarina lepida
(Brady, 1881)
identified by scientist   
Quaternary
Unknown

Trifarina spinipes
(Brady, 1881)
identified by scientist   
Quaternary
Tristan da Cunha and off