. Bonn zoological bulletin. Zoology. A new chameleon of the Trioceros bitaeniatus complex from Mt. Hanang, Tanzania 21. Fig. 2. Sulcal (left) and asulcal (right) view of the hemipenis of Trioceros hanangensis n. sp. from Mt. Hanang, Tanzania. Data were analysed using maximum likelihood and par- simony optimality criteria in PAUP (Swofford 2002), further we used Bayesian inference as implement- ed in MrBayes (Ronquist & Huelsenbeck 2003). For maximum likelihood, a heuristic search was conducted with 10 replicates of random stepwise addition and tree bisection-reconnection (TBR)
. Bonn zoological bulletin. Zoology. A new chameleon of the Trioceros bitaeniatus complex from Mt. Hanang, Tanzania 21. Fig. 2. Sulcal (left) and asulcal (right) view of the hemipenis of Trioceros hanangensis n. sp. from Mt. Hanang, Tanzania. Data were analysed using maximum likelihood and par- simony optimality criteria in PAUP (Swofford 2002), further we used Bayesian inference as implement- ed in MrBayes (Ronquist & Huelsenbeck 2003). For maximum likelihood, a heuristic search was conducted with 10 replicates of random stepwise addition and tree bisection-reconnection (TBR) branch swapping. Relative branch support in phylogenetic analysis was evaluated with 100 bootstrap pseudoreplicates. Parsimony analyses used heuristic searches with 100 random additions of taxa and tree bisection-recombination branch swapping. When more than a single most parsimonious tree was found, a strict consensus tree was generated. Confidence in the nodes was assessed by 2000 bootstrap pseudoreplicates (Felsenstein 1985) with random addition of taxa. Only bootstrap supports of 70 % and higher were considered as reliable, as such values were found to indicate 95 % probability of correct topology (Hillis & Bull 1993). For Bayesian analyses a GTR+I+G model was chosen accord- ing to the optimal model and parameter-values based on the AIC criteria determined in MrModeltest (Nylan- der 2004). Two MCMC analyses for 106 generations each were conducted. The topologies of the sampled trees were used to generate a strict consensus tree. Only clades with a posterior probability of 95% or greater where consid- ered to be significantly supported. RESULTS Trioceros hanangensis n. sp. Holotype. ZFMK 82369, adult male with everted hemipe- nis. Locality: Tanzania: Mt. Hanang Forest Reserve near the village Jorodom (4° 25' to 4° 35' S and 35° 20' to 35° 25' E) at 2800 m, collected by P. Krause, March 2002. Paratypes. ZFMK 82368, subadult male, same data as the holotype; ZSM 111
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