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Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Rotaliidae
Ammonia ketienziensis (Ishizaki, 1943)
  Synonyms:
  
Rotalia ketienziensis Ishizaki, 1943used in: HAYW2011
Streblus ketienziensis Ishizaki, 1943used in: HAYW2011

Reference: HAYW2011  /  WFD AphiaID: 812747      
     Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: coiled spirally
Coiling: trochospiral
Chamberform: triangular to trapezoid
Aperture Position: umbilical extraumbilical
Aperture Form: arcuate lunear arch, --, --, lip
Sutures: depressed, straight, --
Ornamentation: --, --, --, --






identified by scientist   
Quaternary    Holocene    recent
Yellow Sea    Bohai Sea

identified by scientist   
Quaternary    Holocene    recent
Yellow Sea    Bohai Sea

identified by scientist   
Quaternary    Pleistocene    Tarantian
Yellow Sea    South Yellow Sea
   

identified by scientist   
Quaternary    Pleistocene    Tarantian
Yellow Sea    South Yellow Sea