Query
Genus
Locality
Fossil
Main
Key to Species
About
Contact
Class:
Rotaliata
Subclass:
Rotaliana
Order:
Rotaliida
Family:
Bolivinitidae
Sigmavirgulina
Loeblich & Tappan, 1957
Sigmavirgulina tortuosa
Brady, 1937
type specimen holotype
Neogene
Sigmavirgulina tortuosa
(Brady, 1881)
identified by scientist
Quaternary
off Brazil