Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Gavelinellidae
Gyroidina depressaeformis Bykova, 1953)
     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: --, --, --
Ornamentation: --, --, --, --



identified by scientist

Paleogene
Paleocene

Southern Siberian Mountains
unknown
FEU-1010842