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Trioceros hoehnelii (STEINDACHNER, 1891)

IUCN Red List - Trioceros hoehnelii - Least Concern, LC
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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Subspecies 
Common NamesE: High-casqued Chameleon, Von Hoehnel’s Chameleon
G: Helmchamäleon 
SynonymChamael(e)on höhnelii STEINDACHNER 1891
Chamaeleo leikipiensis STEINDACHNER 1891
Chamaeleon bitaeniatus hohneli — WERNER 1911
Chamaeleon bitaeniatus leikipiensis — WERNER 1911
Chamaeleo bergeri STERNFELD 1912
Chamaeleon bitaeniatus hoeneli — GERMERSHAUSEN 1913 (ex errore)
Chamaeleon bitaeniatus altaeelgonis LOVERIDGE 1935: 15
Chamaeleon bitaeniatus höhnelii — LOVERIDGE 1936: 77
Chamaeleon bitaeniatus leikipiensis — PARKER 1940: 269
Chamaeleon höhnelii — RAND 1963: 9
Chamaeleo (Trioceros) hoehnelii — NECAS 1999: 160
Trioceros hoehnelii — TILBURY & TOLLEY 2009
Trioceros hoehnelii — TILBURY 2010: 623
Chamaeleo hoehnelii — PYRON & BURBRINK 2013
Trioceros hoehnelii — SPAWLS et al. 2018: 289 
DistributionKenya (Laikipia, 6000 ft alt.), Uganda (Mt. Elgon); elevation up to 4000 m.

altaeelgonis: Kenya, Uganda (Mt. Elgon); type locality: Kaburomi (10500 ft. alt.), Mt. Elgon, Uganda.

Type locality: Leikipia (6000 ft. elevation), Kenya  
Reproductionovovivparous 
TypesHolotype: NMW 23380
Holotype: NMW 7716 [leikipiensis]
Holotype: MCZ 40274, Paratypes: NHMUK 1946.8.22.14–15 (Previously NHMUK 1935.2.9.13–14), one male and one female, coll. Loveridge [altaeelgonis] 
Diagnosis 
CommentSynonymy: partly after KLAVER & BÖHME 1997. 
EtymologyNamed after Rear Admiral Ludwig Ritter von Höhnel (1857-1942), an Austrian officer who spent a lot of time in Africa. 
References
  • Angel, Fernand 1925. Résultats Scientifiques. Vertebrata. Reptiles et Batraciens. [Mabuia (Mabuiopsis) jeanneli, Lygosoma graueri quinquedigitata, Ablepharus massaiensis]. In: Voyage de Ch. Alluaud et R. Jeannel en Afrique Orientale (1911-1912). - Paris, 2: 1-63.
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Böhle, A. 2007. Die Haltung von Hochland-Chamäleons. Draco 7 (27): 40-44 - get paper here
  • Böhme, W. & Klaver, C.C. 1980. The systematic status of Chamaeleo kinetensis SCHMIDT 1943 (Sauria: Chamaeleonidae) from the Imantong Mountains, Sudan, with comments on lung and hemipenial morphology within the C. bitaeniatus group. Amphibia-Reptilia 1: 3-17 - get paper here
  • Bonetti, Mathilde 2002. 100 Sauri. Mondadori (Milano), 192 pp. - get paper here
  • Bustard, H.R. 1965. Observations on the Life History and Behavior of Chamaeleo hoehnelii (Steindachner). Copeia 1965 (4): 401-410 - get paper here
  • CAMPBELL, PATRICK D; WOLFGANG DENZER 2020. Annotated catalogue of chameleon types in the collection of the Natural History Museum, UK (NHMUK) (Reptilia: Squamata: Chamaeleonidae). Zootaxa 4742 (3): 481–500 - get paper here
  • Dobiey, M. 2009. Chamaeleo hoehnelii. Reptilia (Münster) 14 (79): 47-50 - get paper here
  • Gemel, R.; G. Gassner & S. Schweiger 2019. Katalog der Typen der Herpetologischen Sammlung des Naturhistorischen Museums Wien – 2018. Ann. Naturhist. Mus. Wien, B 121: 33–248
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Jötzlaff, Michaela 2008. Das Helmchamäleon - Chamaeleo (Trioceros) hoehnelii. Natur und Tier Verlag, Münster, 64 pp. [review in Elaphe 17 (1): 33] - get paper here
  • Krause, P. & Böhme, W. 2010. A new chameleon of the Trioceros bitaeniatus complex from Mt. Hanang, Tanzania, East Africa (Squamata: Chamaeleonidae). Bonn zool. Bull. 57 (1): 19-29 - get paper here
  • Loveridge, A. 1920. Notes on East African lizards collected 1915-1919, with description of a new genus and species of skink and new subspecies of gecko. Proc. Zool. Soc. London 1920: 131-167 - get paper here
  • Loveridge, A. 1923. Notes on East African lizards collected 1920-1923 with the description of two new races of Agama lionotus Blgr. Proc. Zool. Soc. London 1923: 935-969 - get paper here
  • Loveridge, A. 1935. Scientific results of an expedition to rain forest regions in Eastern Africa. I. New reptiles and amphibians from East Africa. Bull. Mus. comp. Zool. Harvard 79: 1- 19. - get paper here
  • Loveridge, A. 1936. African reptiles and amphibians in the Field Museum of Natural History. Zool. Ser. Field Mus. Nat. Hist., Chicago, 22 (1): 1-122 - get paper here
  • Meek, Seth Eugene;Cory, Charles B. 1910. Batrachians and reptiles from British East Africa. Publication of the Field Museum of Natural history 7 (11): 403-414 - get paper here
  • Necas, P. 1994. Bemerkungen zur Chamäleon-Sammlung des Naturhistorischen Museums in Wien, mit vorläufiger Beschreibung eines neuen Chamäleons aus Kenia (Squamata: Chamaeleonidae). Herpetozoa 7 (3/4): 95-108. - get paper here
  • Necas, P.; Modry, D.; Slapeta, J. R. 2003. Chamaeleo (Trioceros) narraioca n. sp. (Reptilia: Chamaeleonidae), a new chameleon species from a relict montane forest of Mount Kulal, northern Kenya. Tropical Zoology 16 (1): 1-12 - get paper here
  • Necas, Petr 1999. Chameleons - Nature's Hidden Jewels. Edition Chimaira, Frankfurt; 348 pp.; ISBN 3-930612-04-6 (Europe)<br />ISBN 1-57524-137-4 (USA, Canada)
  • Ogilvie, P.W. 1966. An antomical and behavioral investigation of a previously undescribed puch found in certain species of the genus Chamaeleo. Thesis, Univ of Oklahoma, 74 pp.
  • Parker, H. W. 1940. Undescribed anatomical structures and new species of reptiles and amphibians. Ann. Mag. nat. Hist. (11) 5: 257-274 - get paper here
  • Pyron, R. Alexander; Frank T. Burbrink 2013. Early origin of viviparity and multiple reversions to oviparity in squamate reptiles. Ecology Letters 17 (1): 13–21 (published online 2013, in print 2014), DOI: 10.1111/ele.12168 - get paper here
  • Rand, A. S. 1963. Notes on the Chamaeleo bitaeniatus complex. Bull. Mus. Comp. Zool. Harvard 130 (1): 1-29. - get paper here
  • Rovatsos, Michail; Marie Altmanová , Martina Johnson Pokorná , Petr Velenský , Antonio Sánchez Baca Orcid and Lukáš Kratochvíl 2017. Evolution of Karyotypes in Chameleons. Genes 8(12): 382; doi:10.3390/genes8120382 - get paper here
  • SCHMIDT, W. 1994. Gedanken zur Problematik bei der Aufzucht von Nachzuchten verschiedener Chamäleon -Arten. Sauria 16 (2): 35-38 - get paper here
  • Schmidt, W.; Tamm, K. & Wallikewitz, E. 2010. Chamäleons - Drachen unserer Zeit. Natur und Tier Verlag, 328 pp. [review in Reptilia 101: 64, 2013] - get paper here
  • Spawls, S. & Rotich, D. 1997. An annotated checklist of the lizards of Kenya. J. East African Nat. Hist. 86: 61-83
  • Spawls, S.; Howell, K.; Drewes, R.C. & Ashe, J. 2002. A field guide to the reptiles of East Africa. Academic Press, 543 pp. [reviews in HR 34: 396 and Afr. J. Herp. 51; 147] - get paper here
  • Spawls, Steve; Kim Howell, Harald Hinkel, Michele Menegon 2018. Field Guide to East African Reptiles. Bloomsbury, 624 pp. - get paper here
  • Steindachner, F. 1891. Bericht über die von Herrn Linienschiffsleutenant Ritter von Höhnel während der Graf Samuel Telekis ostafrikanischer Expedition gesammelten Reptilien. Sitzungsb. Akad. Wiss., Wien 100 (1): 307-313. - get paper here
  • Sternfeld, R. 1912. Die Reptilien aus der Expedition Professor Hans Meyers nach Deutsch-Ostafrika. Sber. Ges. naturf. Freunde, Berlin 7: 384-388.
  • Sternfeld, R. 1912. Der Formenkreis des Chamaeleon bitaeniatus. Sber. Ges. naturf. Freunde, Berlin 7: 379-384.
  • Sternfeld, R. 1912. IV. Zoologie II. Lfg. Reptilia. In: Schubotz., R. (ed.): Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika Expedition 1907- 1908, unter Führung A. Friedrichs, Herzogs zu Mecklenburg. Klinkhard und Biermann, Leipzig: 197-279 [published 1912, not 1913, as often cited, see Männel & Kucharzewski 2017] - get paper here
  • Stipala, J. 2014. Mountain Dragons - In search of chameleon diversity in the highlands of Kenya. Jan Stipala, 124 pp., ISBN: 978-0-9928176-0-2 - get paper here
  • STIPALA, JAN; NICOLA LUTZMÁNN, PATRICK K. MALONZA, LUCA BORGH-ESIO, PAUL WILKINSON, BRENDAN GODLEY, MATTHEW R. EVANS 2011. A new species of chameleon (Sauria: Chamaeleonidae) from the highlands of northwest Kenya. Zootaxa 3002: 1–16 - get paper here
  • STIPALA, JAN; NICOLA LUTZMANN, PATRICK K. MALONZA, PAUL WILKINSON, BRENDAN GODLEY, JOASH NYAMACHE & MATTHEW R. EVANS 2012. A new species of chameleon (Squamata: Chamaeleonidae) from the Aberdare Mountains in the central highlands of Kenya. Zootaxa 3391: 1–22 - 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.
  • Tilbury, C. R. & Tolley, Krystal A. 2009. A re-appraisal of the systematics of the African genus Chamaeleo (Reptilia: Chamaeleonidae). Zootaxa 2079: 57–68 - get paper here
  • van Hoof, J. et al. 2006. Kameleons, een fascinerende hobby. Lacerta 64 (5-6): 1-96 - get paper here
 
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