DescriptionGrallariaDignissimaKeulemans.jpg Grallaria dignissima Date 1880 Source Proceedings of the Zoological Society of London 1880 (web) Author J...
DescriptionGrallariaDignissimaKeulemans (cropped).jpg Grallaria dignissima Date 1880 Source Proceedings of the Zoological Society of London 1880 (web)...
John Gerrard Keulemans (1842–1912) Alternative names Birth name: Johannes Gerardus Keulemans; J. G. Keulemans; Johannes Keulemans Description Dutch...
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