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Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Gavelinellidae
Gyroidina vortex White, 1928
     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: --, --, --, --



type specimen

Cretaceous
Upper Cretaceous

Mexico and Middle America

FEU-1008653
653
type specimen
holotype
Cretaceous
Upper Cretaceous

Mexico and Middle America

FEU-1008651
651
type specimen
holotype
Cretaceous
Upper Cretaceous

Mexico and Middle America

FEU-1008652
652