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Kinyongia vanheygeni NECAS, 2009

IUCN Red List - Kinyongia vanheygeni - Least Concern, LC

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Common NamesE: Poroto Single-horned chameleon 
SynonymKinyongia vanheygeni NECAS 2009
Kinyongia vanheygeni — TILBURY 2010: 414
Kinyongia vanheygeni — SPAWLS et al. 2018: 277 
DistributionS Tanzania (Poroto Mountains), N Malawi (Pietersen et al. 2018)

Type locality: “in den Poroto-Bergen, Süd-Tansania, ungef. 9° 0' S, 33°45' O”.  
TypesHolotype: lost, formerly ZFMK 88383 (lost, in fact stolen in a car break-in after its ZFMK registration number was assigned, but before it reached the museum, fide BAUER 2015: 280). 
DiagnosisDiagnosis: “Kinyongia vanheygeni n. sp. gehört mit einer Gesamtlänge von ca. 15 cm zu den kleineren Chamäleonarten. Der Schwanz ist deutlich länger als die Kopf-RumpfLänge. Die Körperbeschuppung ist leicht heterogen, die der Extremitäten und des Schwanzes homogen. Der Kopf ist relativ lang und trägt einen deutlichen Helm, welcher sich erst hinter den Orbiten durch den gewölbten Parietalkamm deutlich erhöht und das Niveau des Rückens deutlich überragt. Über der Maulspitze befindet sich ein Nasenfortsatz, welcher auf seiner Oberseite zwei parallele Längsreihen aus je drei vergrößerten konischen Schuppen trägt. Kinyongia vanheygeni n. sp. unterscheidet sich von allen bisher bekannten Kinyongia-Arten durch die einzigartige Form des Nasenfortsatzes und des Helmes.”

Diagnosis: total length about 15 cm; tail distinctly longer than SVL; scutellation of body slightly heterogenous, homogenous on limbs and tail; head relatively long, with a distinct casque that rises only behind the orbits in the form of an arched parietal crest and clearly exceeds the level of the dorsum; rostral projection with two parallel longitudinal dorsal rows of 3 enlarged conical scales each by which this species is distinct from all other known Kinyongia. 
Etymologynamed after Emmanuel van Heygen of Belgium who took the first photographs of the new species in the wild. 
  • Bauer, Aaron M. 2015. Book Review: Herpetology in Bonn. Herpetological Review 46 (2): 279-281 - 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
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Menegon, Michele; Simon P. Loader, Tim R.B. Davenport, Kim M. Howell, Colin R. Tilbury, Sophy Machaga, Krystal A. Tolley 2015. A new species of Chameleon (Sauria: Chamaeleonidae: Kinyongia) highlights the biological affinities between the Southern Highlands and Eastern Arc Mountains of Tanzania. Acta Herpetologica 10 (2): 111-120 - get paper here
  • NECAS, P. 2009. Ein neues Chamäleon der Gattung Kinyongia Tilbury, Tolley & Branch 2006 aus den Poroto-Bergen, Süd-Tansania (Reptilia: Sauria: Chamaeleonidae). Sauria 31 (2): 41-48 - get paper here
  • PIETERSEN, D.W.; J.P. DAVIES & L.J. THOMPSON 2018. Kinyongia vanheygeni; Nečas, 2009. African Herp News (69): 22 - get paper here
  • Pietersen, Darren, Verburgt, Luke & Davies, John 2021. Snakes and other reptiles of Zambia and Malawi. Struik Nature / Penguin Random House South Africa, 376 pp., ISBN 9781775847373
  • Spawls, Steve; Kim Howell, Harald Hinkel, Michele Menegon 2018. Field Guide to East African Reptiles. Bloomsbury, 624 pp. - get paper here
  • Tilbury, C. 2010. Chameleons of Africa: An Atlas, Including the Chameleons of Europe, the Middle East and Asia. Edition Chimaira, Frankfurt M., 831 pp.
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