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Trioceros conirostratus (TILBURY, 1998)

IUCN Red List - Trioceros conirostratus - Least Concern, LC

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Common NamesE: South Sudanese Unicorn Chameleon 
SynonymChamaeleo (Trioceros) conirostratum TILBURY 1998
Chamaeleo (Trioceros) conirostratus — NECAS 1999: 281
Trioceros conirostratus — TILBURY & TOLLEY 2009
Trioceros conirostratus — TILBURY 2010: 575
Trioceros conirostratus — SPAWLS et al. 2018: 283 
DistributionRepublic of South Sudan (RSS), Uganda

Type locality: Lomoriti 3500 ft. SW Imatong mountains S Sudan (Jumhūriyyat), Republic of South Sudan (RSS) (3 54'N, 32 43'E), endemic  
TypesHolotype: NMK L/1949 
Etymologynamed after the unique (conical) shape and position of the rostral process. 
  • Glaw, F. 2015. Taxonomic checklist of chameleons (Squamata: Chamaeleonidae). [type catalogue] Vertebrate Zoology 65 (2): 167–246 - get paper here
  • Hughes DF, Blackburn DG, Wilber L, Behangana M. 2018. New distribution records, observations on natural history, and notes on reproduction of the poorly known Sudanese Unicorn Chameleon (Chamaeleonidae: Trioceros conirostratus) from Uganda, Africa. Amphibian & Reptile Conservation 12(2) [General Section]: 83–89 (e160) - get paper here
  • Hughes, DF, Blackburn, DG. 2019. Evolutionary origins of viviparity in Chamaeleonidae. J Zool Syst Evol Res. 58 (1): 284-302 [2020] - 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)
  • Spawls, Stephen; Tomáš Mazuch& Abubakr Mohammad 2023. Handbook of Amphibians and Reptiles of North-east Africa. Bloomsbury, 640 pp. - get paper here
  • Spawls, Steve; Kim Howell, Harald Hinkel, Michele Menegon 2018. Field Guide to East African Reptiles. Bloomsbury, 624 pp. - 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. 1998. Two new chameleons (Sauria:Chamaeleonidae) from isolated Afromontane forests in Sudan and Ethiopia. Bonner Zoologische Beiträge 47 (3-4): 293-299. - 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
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