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Hemidactylus kamdemtohami BAUER & PAUWELS, 2002

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Kamdem Toham's Gecko 
SynonymHemidactylus kamdemtohami BAUER & PAUWELS 2002
Hemidactylus sp. — PAUWELS et al. 2002
Hemidactylus kamdemtohami — RÖSLER 2015 
DistributionGabon, Equatorial Guinea, Cameroon

Type locality: Gabon, eastern slope of Mont Iboundji.  
Reproductionoviparous 
TypesHolotype: IRSNB, Institut Royal des Sciences Naturelles de Belgique 
DiagnosisDiagnosis: A moderately sized Hemidactylus, snout-vent length at least 71 mm. One pair of enlarged postmentals, narrowly separated from one another. 18-19 rows of relatively small tubercles. 63 scale rows across venter between ventrolateral folds. Eleven enlarged scansors beneath fourth toe of pes, digits with pronounced basal webs. Body grey with a paler, broad vertebral stripe, a pair of darker paravertebral stripes and a pair of diffuse, darker ventrolateral stripes.
Hemidactylus kamdemtohami may be distinguished from all other equatorial West African congeners on the basis of (sympatric taxa with differing or non-overlapping character states indicated parenthetically): 18-19 rows of dorsal tubercles (0-4 rows in H. richardsonii, 10-14 in H. muriceus), and strongly webbed digits (unwebbed in H. brookii angulatus, H. longicephalus, H. mabouia, H. muriceus; very slightly webbed in H. echinus, H. fasciatus). Further, the combination of dark ventral coloration, dorsal longitudinal stripes, and white triangles on the thighs distinguish this species from these and all other known Hemidactylus. Loveridge (1947), who provided accounts of all African Hemidactylus then recognised (48 taxa), characterised the ventral coloration of most species as whitish. Among other Equatorial West African species, a dark venter is found only in H. muriceus (whitish but almost obscured by brown infuscations) and H. richardsonii (gray tinged with yellow), both of which have fewer rows of dorsal tubercles and differ in dorsal colour pattern from the new species. Dark venters otherwise characterize only the East African H. laticaudatus fossatii (whitish or yellowish gray), H. ruspolii (dark brown or nearly black), and H. tanganicus (grayish tinged with pink), and the West African H. ansorgii (syn. H. intestinalis; whitish flecked with brown, or brownish). All of these taxa differ markedly in dorsal colour pattern and scalation from H. kamdemtohami. (Bauer & Pauwels 2002)


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CommentDistribution: For a map with localities in Equatorial Guinea see SÁNCHEZ-VIALAS et al. 2022. 
EtymologyNamed after Andre Kamdem Toham, a friend of the authors and African conservationist. 
References
  • Bauer, A. M. & O. S. G. Pauwels 2002. A new forest-dwelling Hemidactylus (Squamata: Gekkonidae) from Gabon, West Africa. African Journal of Herpetology 51 (1): 1-8 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Chirio, L. & Lebreton, M. 2007. Atlas des reptiles du Cameroun. MNHN, IRD, Paris 688 pp.
  • Pauwels, O.S.G. & Vande Weghe, J.P. 2008. Les reptiles du Gabon. Smithsonian Institution, Washington: 272 pp. - get paper here
  • Pauwels, O.S.G.; Kamdem Toham, A. & Chimsunchart, C. 2002. Recherches sur l’herpétofaune du Massif du Chaillu, Gabon. Bull. Inst. Roy. Sci. Nat. Belgique (Biologie) 72: 47-57 - get paper here
  • Rösler, Herbert 2015. Bemerkungen über einige Geckos der Zoologischen Staatssammlung München. Gekkota, Suppl. (2): 3-54
  • SÁNCHEZ-VIALAS, A., CALVO-REVUELTA, M. & DE LA RIVA, I. 2022. Synopsis of the terrestrial Reptiles of Equatorial Guinea. Zootaxa 5202 (1): 1-197 - get paper here
 
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