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Keywords from Image Description:
PZSLPage. Polypterus bichir Geoffr sicLacpde en Diagrammatic view of Nile Bichir scale isopedine inner bony layer canaliculi of the cosmine layer superficial denticles ganoine layer horizontal vascular canals openings of vertical canals vc vertical canals Proceedings of the Zoological Society of London org vol issue org page