Trioceros chapini (DE WITTE, 1964)

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Higher Taxa	Chamaeleonidae, Sauria, Iguania, Squamata (lizards)
Subspecies
Common Names	E: Gray Chameleon
Synonym	Chamaeleo chapini DE WITTE 1964 Chamaeleo (Trioceros) chapini — NECAS 1999: 281 Trioceros chapini — TILBURY & TOLLEY 2009 Trioceros chapini — TILBURY 2010: 572
Distribution	Gabon, C Zaire (Democratic Republic of the Congo), Equatorial Guinea Type locality: Lukolela, Terr. of Bikoro, Equator district of the province Equator, Congo (= Zaire).
Reproduction	oviparous (not imputed, fide Zimin et al. 2022)
Types	Holotype: AMNH 45885, adult female
Diagnosis	DIAGNOSIS: Chamaeleo chapini seems to be most closely related to Chamaeleo adolfifriderici Sternfeld (1912), a small species known from few specimens, all taken in the eastern portion of the Congo (Districts of Kibali-Ituri, Nord Kivu, Sud Kivu, and Rwanda). Chamaeleo chapini (fig. 1), however, lacks the parietal and dorsal crests, as well as the conical scales on the lateral crests, that are characteristic of C. adolfifriderici. The tail of C. chapini is proportionately somewhat shorter, for it comprises slightly less than half of the over-all length, in contrast to 0.53 to 0.57 reported by Schmidt (1919) for C. adolfifriderici (de Witte 1964). Additional details (1652 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Distribution: For a map with localities in Equatorial Guinea see SÁNCHEZ-VIALAS et al. 2022. Abundance: Rare. Reference images: see Uetz et al. 2024 for high-resolution reference images for this species.
Etymology	Named after Dr. James Paul Chapin (1889-1964), an American ornithologist and co-leader ofthe Lang-Chapin expedition, which made the first comprehensive biological survey of the Belgian Congo (1909-1915).
References	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 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) Pauwels, O.S.G. & Vande Weghe, J.P. 2008. Les reptiles du Gabon. Smithsonian Institution, Washington: 272 pp. - get paper here SÁNCHEZ-VIALAS, A., CALVO-REVUELTA, M. & DE LA RIVA, I. 2022. Synopsis of the terrestrial Reptiles of Equatorial Guinea. Zootaxa 5202 (1): 1-197 - 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 Uetz, P.H.; Patel, M.; Gbadamosi, Z.; Nguyen, A.; Shoope, S. 2024. A Reference Database of Reptile Images. Taxonomy 4: 723–732 - get paper here Witte, G. F. de 1964. A new chameleon from the Congo. American Museum Novitates 2192: 1-3. - get paper here Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	IUCN Red List Google images

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