Orbilia subgenus Serpentina
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 O. fibriseda, USA (Tennessee), dry bark of Morus rubra 1
  m above ground, leg. W. Jaklitsch. 0.5-1.4 mm  | 
  
   
 O. multitrapezoidea sp. nov..   | 
 
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 O. osteotrapeziformis sp. nov.,   | 
  
   
 O. barrowensis, Australia (NT),
  dry wood of Acacia lying on dry ground, leg. G. Marson. 0.3 mm  | 
 
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 O. quaestiformis sp. nov.,   | 
  
   
 O. porcicauda sp. nov.,   | 
 
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 O. multiserpentina sp. nov.,   | 
  
   
 O. multiflexa,   | 
 
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 Orbilia multigambelii sp. nov.,   | 
  
   
 O. trapeziformis sp. nov.,   | 
 
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 O. subtrapeziformis sp. nov.,   | 
  
   
 O. ?bicknelli sp. nov., W-Australia, dry bark of ?Capparis, leg. G. Marson. 0.25-0.5 mm  |