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Class: Rotaliata    Subclass: Rotaliana    Order: Asterigerinida    Family: Amphisteginidae
Amphistegina californica Cushman and Hanna, 1927
     Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: coiled spirally
Coiling: trochospiral
Chamberform: crescentic
Aperture Position: extraumbilical
Aperture Form: slit, --, --, lip
Sutures: --, curved, --
Ornamentation: --, --, --, --



type specimen
paratype
Paleogene
Eocene

Unknown
unknown locality
FEU-1006854
854
type specimen
paratype
Paleogene
Eocene

Unknown
unknown locality
FEU-1006855
855
type specimen
paratype
Paleogene
Eocene

Unknown
unknown locality
FEU-1006856
856