Trioceros incornutus (LOVERIDGE, 1932)

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Higher Taxa	Chamaeleonidae, Sauria, Iguania, Squamata (lizards)
Subspecies
Common Names	E: Ukinga hornless chameleon
Synonym	Chamaeleon incornutus LOVERIDGE 1932: 380 Chamaeleon incornutus — DAAN & HILLENIUS 1966: 128 Chamaeleo (Trioceros) incornutus — NECAS 1999: 281 Trioceros incornutus — TILBURY & TOLLEY 2009 Trioceros incornutus — TILBURY 2010: 632 Trioceros incornutus — SPAWLS et al. 2018: 290
Distribution	Tanzania (Poroto Mts., Rungwe Mts., Ukinga Mts.) Type locality: Madehani, Ukinga Mts., Tanzania.
Reproduction	ovoviviparous.
Types	Holotype: MCZ 31350
Diagnosis	Diagnosis: “No gular or ventral crest of enlarged scales, no beard- like gular scales, no horn-like processes in either sex, no fin-like dorsal crest. Well-developed occipital flaps fused in a short median suture behind the casque; a decidedly indistinct parietal crest forked anteriorly; a low dorsal crest comprised of sharply spinose scales (well separated or in groups of two or three followed by an interspace) from the nape to the base of the tail.” (Loveridge 1932: 380) Additional details (1084 characters) are available for collaborators and contributors. Please contact us for details.
Comment
Etymology	Named after L.: in- , prefix meaning not or without; cornu, horn; -utus/a/um, adlectival suffix: unhorned, denoting the absence of horns as compared with related species (Charles Klaver, pers. comm., 11 Jan 2023).
References	Broadley, D. G. & HOWELL, K. M. 1991. A check list of the reptiles of Tanzania, with synoptic keys. Syntarsus 1: 1—70 Broadley, D.G.; Kelly, C.M.R. 1996. Geographical Distribution - Chamaeleo incornutus. African Herp News (25): 45-45 - get paper here Daan, S. & Hillenius,D. 1966. Catalogue of the type specimens of amphibians and reptiles in the Zoological Museum, Amsterdam. Beaufortia 13: 117-144 Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here HILDENHAGEN, T. 2004. Chamäleons die unbekannten Wesen - Vorstellung von Chamaeleo (T.) incornutus, LOVERIDGE 1932. CHAMAELEO 14(2): 19-20. - get paper here Loveridge, A. 1932. New reptiles and amphibians from Tanganyika Territory and Kenya Colony. Bull. Mus. comp. Zool. Harvard 72: 375-387 - get paper here Nečas, 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) 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 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.; 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 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
External links	IUCN Red List National Center for Biotechnology Information http://verity.mcphu.edu/adcham/paged.asp?genus=chamaeleo Google images

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