Figure 1 in The radiation of red colobus monkeys (Primates, Colobinae): morphological evolution in a clade of endangered African primates

Figure 1. Distribution of red colobus taxa (modified from Colyn, 1991). (I) Piliocolobus badius (Kerr, 1792) (western Tropical Africa): (1) Piliocolobus badius ssp. temminckii (Kuhl, 1820), (2) Piliocolobus badius ssp. badius (Kerr, 1792), and (3) Piliocolobus badius ssp. waldroni (Hayman, 1936); (II) Procolobus pennantii (Waterhouse, 1838) (western equatorial Africa): (4) Procolobus pennantii ssp. epieni Grubb and Powell, 1999, (5) Procolobus pennantii ssp. pennantii (Waterhouse, 1838), (6) Procolobus pennantii ssp. preussi (Matschie, 1900), (7) Procolobus pennantii ssp. bouvieri (Rochebrune, 1887); (III) Central African assemblage: (8) Piliocolobus sp. tholloni, (9) Piliocolobus sp. oustaleti, (10) Piliocolobus sp. parmentieri Colyn & Verheyen, 1987, (11) Piliocolobus sp. lulindicus Matschie, 1914 and Piliocolobus sp. foai (de Pousargues, 1899), (12) Piliocolobus sp. langi (Allen, 1925) and Piliocolobus sp. ellioti (Dollman, 1909), (13) Piliocolobus sp. tephrosceles (Elliot, 1907); (IV) Eastern African species: (14) Piliocolobus gordonorum Matschie, 1900, (15) Piliocolobus rufomitratus, (16) Piliocolobus kirkii Gray, 1868. Grey areas are putative Pleistocenic mountain refugia, taken from Mayr & O'Hara (1986).