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• 
  Species:
  Microglanis aff. iheringi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis aff. iheringi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis parahybae
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis poecilus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis poecilus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis secundus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis secundus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis variegatus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Erethistes nareshi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis berbixae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis carlae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis cottoides
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis garavelloi
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis leniceae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis lundbergi
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis minutus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis nigrolineatus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis oliveirai
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis parahybae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis pataxo
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis pleriqueater
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis reikoae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis robustus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis sparsus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis xerente
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis xylographicus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis zonatus
  
  Caption: Pectoral fin spine, dorsal view. From Eigenmann & Allen
• 
  Species:
  Microglanis maculatus
  
  Caption: Pectoral fin spine, dorsal view. Holotype & paratype.
• 
  Species:
  Microglanis pellopterygius
  
  Caption: Pectoral fin spine, dorsal view. Variation.