Query Genus Locality Fossil Stomatorbina concentrica Main Key to Species About Contact
Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Amphisteginidae
Amphistegina bikiniensis Todd and Post, 1954
  Synonyms:
   
none  used in: 
Reference: HAYW2011  /  WFD AphiaID: 848920      
      Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: coiled spirally
Coiling: trochospiral
Chamberform: crescentic
Aperture Position: extraumbilical
Aperture Form: slit, --, --, lip
Sutures: --, curved, --
Ornamentation: --, --, --, --

type specimen
holotype
Paleogene
Oligocene

central North Pacific
unknown
FEU-1006848
type specimen
holotype
Paleogene
Oligocene

central North Pacific
unknown
FEU-1006849