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Pachydactylus boehmei BAUER, 2010

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common Names 
SynonymPachydactylus boehmei BAUER 2010 
DistributionNamibia (Otavi Highlands)

Type locality: Namibia, Otjozondjupa Region, Grootfontein District, Farm Uisib, 19°33’06”S, 17°14’11”E, 1400 m elevation. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproduction 
TypesHolotype: MCZ R184884 (Figs 2–3): adult male; coll. A.M. Bauer, J. Marais, T. Jackman, and W.R. Branch, 15 Sep- tember 2006.
Paratypes. MCZ R184880–81 (adult females), 184883 (subadult/adult female), MCZ R184882 (subadult/adult male), same data as holotype. 
CommentDiagnosis. Snout-vent length to at least 44.4 mm. A moderate-sized Pachydactylus with a depressed body form. Trunk with 16 rows of enlarged, keeled tubercles, grading into prominent conical scales on flanks. Orbital diameter as great as eye-ear distance. Rostral participating in nostril rim. Dorsal surface of thighs and shanks covered by enlarged conical to keeled scales. Tail with keeled lanceolate tubercles restricted to one scale row per tail segment. Dorsal pattern with an occipital-nuchal loop, a “V”-shaped band on posterior of neck, a transverse bar anterior to hindlimb insertion, and a series of oval markings or fusions thereof on the trunk.
Among its congeners P. boehmei sp n. is superficially similar to some members of the P. weberi group, but can be distinguished from these by its inclusion of the rostral in the nostril rim and the possession of a maximum of only four undivided scansors beneath the digits of the pes (versus at least five on some digits). Among other members of the “northwestern clade” of Pachydactylus it may be differentiated from P. bicolor Hewitt, 1926, P. punctatus, P. scherzi Mertens, 1954, and P. caraculicus FitzSimons, 1959 by its tuberculate (versus atuberculate) dorsum, from P. angolensis Loveridge, 1944 by its inclusion of the rostral and first supralabial in the nostril border (versus both excluded), from P. oreophilus McLachlan & Spence, 1967 by its smaller size (maximum SVL < 45 mm versus 57 mm), and lower number of subdigital lamellae (4 versus 5–6 undivided lamellae), from P. gaiasensis Steyn & Mitchell, 1967 by its smaller size (maximum SVL < 45 mm versus 68 mm), lower number of subdigital lamellae (4 versus 5–7 undivided lamellae), longer tail (slightly longer than SVL versus less than SVL), and lack of a ver- tebral stripe, from P. sansteynae Steyn & Mitchell, 1967 by its much larger dorsal tubercles (4–10 times larger than other dorsal scales versus less than twice size of dorsal granules) and presence (versus absence) of tubercles on the parietal region, from P. parascutatus Bauer, Lamb & Branch, 2002 by its larger size (to 44.4 mm versus < 40 mm SVL) and presence of a pale dorsal collar (versus no collar), and from P. scutatus Hewitt, 1927 by is juxtaposed (versus imbricating) keeled dorsal scales, enlarged conical (versus small and granular) flank scales, projecting lanceolate (versus flattened and rounded to oval) caudal tubercles, and its complex dorsal trunk patterning (versus patternless or with small, scattered dark markings. Pachydactylus boehmei sp n. is most similar to the geographically proximal P. otaviensis, but may be distinguished from this form by its inclusion (versus exclusion) of the rostral in the nostril rim, the presence of 4 (versus 5) lamellae beneath digit IV of the pes, 16 (versus 18) longitudinal rows of keeled dorsal tubercles, and differences in color pattern [from BAUER 2010]. 
EtymologyNamed for Prof. Dr. Wolfgang Böhme (born 21 November 1944), a longtime friend and colleague of the author and a leading contributor to African herpetology. 
References
  • Bauer, Aaron M. 2010. A new species of Pachydactylus (Squamata: Gekkonidae) from the Otavi Highlands of northern Namibia. Bonn Zool. Bull. 57 (2): 257–266 - get paper here
  • Herrmann, H.-W.; W.R. Branch 2013. Fifty years of herpetological research in the Namib Desert and Namibia with an updated and annotated species checklist. Journal of Arid Environments 93: 94–115 - get paper here
 
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