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• 
  Species:
  Ancistrus centrolepis
  
  Caption: Baudo River, Choco, Colombia. Dorsal view.
• 
  Species:
  Rita gogra
  
  Caption: Dorsal view.
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Dorsal view.
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Dorsal view.
• 
  Species:
  Chaetostoma sovichthys
  
  Caption: Dorsal view. Catutumbo basin
• 
  Species:
  Ancistrus martini
  
  Caption: Dorsal view. Photo, Nathan Lujan
• 
  Species:
  Hypostomus hemiurus
  
  Caption: Dorsal view. Photo: Andrew Snyder
• 
  Species:
  Ancistrus patronus
  
  Caption: Dorsal view. Photo: Nathan Lujan
• 
  Species:
  Rhadinoloricaria stewarti
  
  Caption: Holotype, dorsal view.
• 
  Species:
  Rhinotocinclus bockmanni
  
  Caption: Holotype, dorsal view. Female, 21.9mm SL
• 
  Species:
  Trichomycterus rosablanca
  
  Caption: Holotype, dorsal view. Photo by Felipe Villegas
• 
  Species:
  Ancistrus patronus
  
  Caption: Holotype, dorsal view. Photo: Nathan Lujan
• 
  Species:
  Heptapterus carnatus
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species:
  Heptapterus exilis
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  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.
• 
  Species:
  Rhyacoglanis epiblepsis
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis paranensis
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis seminiger
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 1.0 mm
• 
  Species:
  Rhyacoglanis beninei
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 2.0 mm
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 2.0 mm