Query
Genus
Locality
Fossil
Main
Key to Species
About
Contact
Class:
Rotaliata
Subclass:
Rotaliina
Order:
Rotaliida
Family:
Calcarinidae
Silvestriella
Hanzawa, 1952
Silvestriella tetraedra
(Gümbel, 1870)
type specimen holotype
Paleogene