"Gordon Grigg, David Kirshner ... 1.7), thethree Osteolaemus taxa are: O. osborni (
Fig.1.8) in the Congo Basin; O.tetraspis, mainly in Gabon, but extending into
Cameroon, possiblyTogo (N.Smolensky, F.Schmidt pers. comm. to M.H. Shirley)
and southwestCongo (Fig. 1.9); and the new species in the Upper Guinean
biome (Fig. 1.10).In a further analysis, Shirley et al.(2014a) concluded that O.
osborni split ~10–12Mya, with the other twospe ..."