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Class: Rotaliata    Subclass: Rotaliana    Order: Chilostomellida    Family: Oridorsalidae
Oridorsalis umbonatus (Reuss, 1851)
  Synonyms:
  
Buccella umbonata (Reuss, 1851)used in: HAYW2011
Eponides umbonatus (Reuss, 1860)used in: HAYW2011
Oridorsalis umbonata (Reuss, 1851)used in: HAYW2011
Pseudoeponides umbonatus (Reuss, 1851)used in: HAYW2011
Pulvinulina umbonatus (Reuss, 1851)used in: HAYW2011
Rotalia umbonatus Reuss, 1851used in: HAYW2011

Reference: HAYW2011  /  WFD AphiaID: 254690      
     Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: coiled spirally
Coiling: trochospiral
Chamberform: triangular to trapezoid
Aperture Position: basal
Aperture Form: slit, --, --, lip
Sutures: --, curved, thickened
Ornamentation: --, --, --, --




identified by scientist   
Quaternary    Holocene    recent
Patagonia and off    Challenger Station 305

identified by scientist   
Quaternary    Holocene    recent
Patagonia and off    Challenger Station 308

identified by scientist   
Quaternary    Holocene    recent
    

identified by scientist   
Quaternary    Holocene    recent
    

identified by scientist   
Quaternary    Pleistocene    
off Biscaya and Iberia    ODP Leg 149 Site 898
   

identified by scientist   
Quaternary    Pleistocene    
off Biscaya and Iberia    ODP Leg 149 Site 898

identified by M. Hesemann   
Neogene    Miocene    
North European Plain    Stade

identified by M. Hesemann   
Neogene    Miocene    
North European Plain    Stade

identified by M. Hesemann   
Neogene    Miocene    
North European Plain    Gross Pampau