Nuttallides crassaformis
(Cushman & Siegfus, 1935)
type specimen   holotype
Paleogene

Nuttallides truempyi
Nuttall, 1930
identified by scientist   
Paleogene
off Biscaya and Iberia

Nuttallides truempyi
(Nuttall, 1930)
identified by scientist   
Paleogene
North Africa

Nuttallides umbonifera
(Cushman, 1933)
identified by scientist   
Neogene
off Biscaya and Iberia