Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Amphisteginidae
Amphistegina bicirculata Larsen, 1976
  Synonyms:
  
none  used in: 

Reference: HAYW2011  /  WFD AphiaID: 484791      
     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
Quaternary
Holocene
recent
Red Sea
unknown
FEU-1006850
type specimen
paratype
Quaternary
Holocene
recent
Red Sea
unknown
FEU-1006851
type specimen
paratype
Quaternary
Holocene
recent
Red Sea
unknown
FEU-1006852
type specimen
paratype
Quaternary
Holocene
recent
Red Sea
unknown
FEU-1006853
identified by scientist

Quaternary
Holocene
recent
Micronesia + Philippine Basin
Challenger Station 218A
FEU-1008686
   
identified by scientist

Quaternary
Holocene
recent
Red Sea
Aqaba
FEU-1018178