Foraminifera by:    Genus     Locality    Fossil    Query    Calcarina hispida, Foraminifera Dentalina globifera, Foraminifera Uvigerina peregrina, Campos, Brazil, Foraminifera Flag german      Key to Species    Articles     About     

Class: Rotaliata    Subclass: Textulariana    Order: Fusulinida    Family: Tetrataxidae
Tetrataxis

Tetrataxis concava
Galloway and Ryniker, 1930

type specimen   holotype
Carboniferous
American South

Tetrataxis inflata
Kristan, 1957

identified by scientist   
Triassic
central Northern Alps

Tetrataxis nanus
Kristan-Tollmann, 1964

type specimen   holotype
Triassic
central Northern Alps