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The preserved male lectotype (SMF 16402) (A.) and female paralectotype (SMF 16403) (B.) of Trioceros affinis collected by E. Rüppell 1834 and designated by Robert Mertens. Head morphology: Head of the lectotype in left (C.) and right (D.) view and of the paralectotype in left (E.) and right (F.) view. Scale bars represent 1 cm. Photos by Morris Flecks.
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The preserved adult male holotype (
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Digital elevation map of Ethiopia (generated by using the geographic information system ArcGIS 10.0; elevation in m a.s.l) indicating the currently known distribution of Trioceros wolfgangboehmei sp. nov. east of the Ethiopian Rift in the northern Bale Mountains (red stars; left star: Dinsho, right star: Goba). Black star: Addis Abeba. Grey dots show records of T. affinis based on distributional data after
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![](https://binary.pensoft.net/fig/518517/singlefigmini/file.jpg)
Volume renders of the µCT scans of the hemipenes of Trioceros affinis (
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![](https://binary.pensoft.net/fig/518518/singlefigmini/file.jpg)
Principal component analysis (PCA) of morphological differences between Trioceros affinis (lectotype/paralectotype/males/females/juveniles) and T. wolfgangboehmei sp. nov. (male/females). Principal component axes refer to the first two principal components.
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Living individual of Trioceros wolfgangboehmei sp. nov. from Dinsho, Ethiopia showing a prominent white temporal spot and dorsolateral longitudinal stripe. Photo by Petr Nečas.
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Living individual of Trioceros wolfgangboehmei sp. nov. from Goba, Ethiopia, showing a beige ground pattern with slight reddish stripes in the head region around the orbit. Photo by Petr Nečas.
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![](https://binary.pensoft.net/fig/518521/singlefigmini/file.jpg)
Lateral detail of a living Trioceros wolfgangboehmei sp. nov. from Goba, Ethiopia, showing the heterogeneous body scalation with both small scattered tubercles and enlarged flattened plate-like scales. In this individual the dorsolateral stripe is interrupted and forms a Y-shaped pattern on the flanks. Photo by Petr Nečas.
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Head of a living Trioceros wolfgangboehmei sp. nov. from Goba, Ethiopia. Photo by Petr Nečas.
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![](https://binary.pensoft.net/fig/518523/singlefigmini/file.jpg)
Living juvenile of Trioceros wolfgangboehmei sp. nov. from Goba, Ethiopia. Photo by Petr Nečas.