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Trioceros ituriensis (SCHMIDT, 1919)

IUCN Red List - Trioceros ituriensis - Least Concern, LC

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Higher TaxaChamaeleonidae, Sauria, Iguania, Squamata (lizards)
Common NamesE: Ituri Forest Chameleon 
SynonymChamaeleo johnstoni affinis STERNFELD 1912 (non Chamaeleo affinis RÜPPELL 1843)
Chamaeleon ituriensis SCHMIDT 1919: 589
Chamaeleo ituriensis — DE WITTE 1965
Chamaeleo tremperi NECAS 1994: 104
Chamaeleo (Trioceros) tremperi — NECAS 1999: 171
Chamaeleo (Trioceros) ituriensis — NECAS 1999: 281
Chamaeleo tremperi — NECAS 2003
Trioceros ituriensis — TILBURY & TOLLEY 2009
Trioceros ituriensis — TILBURY 2010: 637
Trioceros ituriensis — SPAWLS et al. 2018: 291 
DistributionE Zaire

Type locality: “Randberge am N.-W. Ufer des Tanganyika und Irumu-Mavambi-Urwald, Ost-Afrika”.

tremperi: Kenya; Type locality: Eldana River Station, Kenya  
Reproductionoviparous; the female paratype of C. tremperi (NMW) has 5 or 6 large eggs, each about 2 cm long. 
TypesHolotype: AMNH 11490; Paratypes: NHMUK 1919.6.23.5–6 (original nos. AMNH 11472 and AMNH 11521), one male and one female.
Syntypes: ZMB 22377 (only one of the two original specimens); paratypes: PEM R9166–7 (formerly AMG 4314; AMNH 11530–31) [affinis]
Holotype: NMW 7880.1; paratype: NMW 7887, female [tremperi] 
CommentSynonymy: following TiLBURY 2010.

Conservation: Chamaeleo (Trioceros) tremperi Necas 1994, may be extinct as the type material being old museum specimens from the beginning of the 20th century. An intense search for the species has remained unsuccessful (NECAS 2003). 
EtymologyNamed after L.: -ensis/is/e, adjectival suffix: from the Ituri region, Democratic republic of Congo (Charles Klaver, pers. comm., 11 Jan 2023). 
  • Böhme, Wolfgang; Eberhard Fischer & Harald Hinkel 2023. Reptilien aus dem Irangi Forest, Provinz Kivu-Süd, Demokratische Republik Kongo. Sauria 45 (4): 29
  • 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
  • CONRADIE, WERNER; WILLIAM R. BRANCH, & GILLIAN WATSON 2019. Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 2: Reptiles (Squamata). Zootaxa 4576 (1): 001–045 - 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
  • Hughes, DF, Blackburn, DG. 2019. Evolutionary origins of viviparity in Chamaeleonidae. J Zool Syst Evol Res. 58 (1): 284-302 [2020] - get paper here
  • Klaver, Ch. J.J. & Böhme,W. 1997. Chamaeleonidae. Das Tierreich, 112: XIV, 1-85
  • 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)
  • Schmidt, Karl Patterson 1919. Contributions to the Herpetology of the Belgian Congo based on the Collection of the American Congo Expedition, 1909-1915. Part I: turtles, crocodiles, lizards, and chamaeleons. Bull. Amer. Mus. Nat. Hist. 39 (2): 385-624 - 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
  • 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
  • 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
  • Witte, G. F. de 1965. Les caméléons de l’Afrique centrale. Ann. Mus. Royal Afrique Centr., (ser. 8), Zool. 142: 1-215
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