. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 244 Philipp Wagner et al.: Studies on African Agama VI. Taxonomic status of tiie West African Agama c c o Q. E o _ (0 Q. O c. Principal component 2 Fig. 3. Projection of tlic first and second principal component from a PCA mn on 16 individuals assigned to ⦠= Agama hou- lengeri, â² = Agama insiilaris â = Agama cristata. males is distinct. In A. hoiilengeri the throat is ditty white with longitudinal stripes, whereas in A. cristata the basal paits of the
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 244 Philipp Wagner et al.: Studies on African Agama VI. Taxonomic status of tiie West African Agama c c o Q. E o _ (0 Q. O c. Principal component 2 Fig. 3. Projection of tlic first and second principal component from a PCA mn on 16 individuals assigned to ⦠= Agama hou- lengeri, â² = Agama insiilaris â = Agama cristata. males is distinct. In A. hoiilengeri the throat is ditty white with longitudinal stripes, whereas in A. cristata the basal paits of the throat are dark bluish-black. Genetics. As obvious from fig. 4, Agama boulengeri is very distinct from the fwo other known species with tail crests (A. insiilaris; A. cristata), and it is found in a basal position to all other/ige//;;« species included in this study (NJ: 70). In contrast, the two other species, A. insiilaris and A. cristata form a maximally supported clade (NJ: 100) that is the sister clade of A. weidholzi (NJ: 84) with this subclade significantly separated from its sister clade containing A. agama and A. sankaranica as sister taxa, though this latter subclade receives hardly any support (NJ: 56). This low suppoil comes as no surprise as other studies show clearly that A. agama and A. sankaranica are not very closely related (Leaché et al. 2009). Table 2 summarizes the uncorrected p-distances for 496 bp of the 16S rRNA gene. Agama boulengeri shows the highest genetic differences to all other species with val- ues ranging from thus showing that it is not closely related to any of the other included .^gawa species, and is far removed from the two other taxa with tail crests (A. insiilaris: \ cristata: ). Thus the genet- ic data clearly confirm the specific distinctness of A. cristata/A. insiilaris from A. boulengeri. Although genetic interspecific differences range at mod- erately high values ranging from ! , the genet
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