Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Gavelinellidae
Gyroidina umbilicata (d'Orbigny, 1840)
     Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: coiled spirally
Coiling: trochospiral
Chamberform: triangular to trapezoid
Aperture Position: umbilical extraumbilical
Aperture Form: slit, no tooth, no neck, no lip
Sutures: --, curved, --
Ornamentation: --, --, --, --



identified by scientist

Cretaceous
Upper Cretaceous
Campanian
Paris Basin
unknown
FEU-1010835
identified by scientist

Cretaceous
Upper Cretaceous
Campanian
Southern Siberian Mountains
Aktobe Region
FEU-1010836