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

Nuttallides umbonifer
(Cushman, 1933)
identified by scientist   
Quaternary
Central North Atlantic