| Higher Taxa | Tropiduridae, Iguania, Sauria, Squamata (lizards) | 
        | Subspecies |  | 
        | Common Names | E: Duméril's Whorltail Iguana | 
        | Synonym | Holotropis trachycephalus DUMÉRIL 1851: 70 Liocephalus trachycephalus — BOULENGER 1885: 169
 Liocephalus trachycephalus — WERNER 1916: 305
 Leiocephalus trachycephalus — DUNN 1944
 Ophryoessoides trachycephalus — ETHERIDGE 1966: 89
 Ophryoessoides trachycephalus — PETERS et al. 1970: 214
 Stenocercus trachycephalus — FRITTS 1974
 Stenocercus trachycephalus — TORRES-CARVAJAL 2004
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        | Distribution | Colombia (Cundinamarca), elevation 8000-11800 feet) 
 Type locality: Nouvelle-Grenade, et en particulier Santa-Fé de Bogota [Dep. Cundinamarca, Colombia]
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        | Reproduction | oviparous | 
        | Types | Syntypes: MNHN-RA 1787, MNHN-RA 1787A, MNHN-RA 2393, MNHN-RA 2393A, MNHN-RA 2394 and MNHN-RA 2394A | 
        | Diagnosis | Diagnosis: TORRES-CARVAJAL 2007. | 
        | Comment |  | 
        | Etymology | Named after Greek trachys (τραχύς), rough, rugged + Greek kéfali (κεφάλη), head. [“...écailles de la têle petites, inégales, carénées et un peu rugueuses...] (from Esteban Lavilla, pers. comm., May 2024) | 
        | References | 
            Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp.  - get paper hereCarranza, S.; E. N. Arnold & F. Amat 2004. DNA phylogeny of Lacerta (Iberolacerta) and other lacertine lizards (Reptilia: Lacertidae): did competition cause long-term mountain restriction? Systematics and Biodiversity 2 (1): 57-77  - get paper hereCastro F; Ayala S C 1982. Nueva especie de (Sauria: Iguanidae) lagarto collarejo de la zona sur Andina de Colombia. Caldasia 13 (No. 63): 473-478  - get paper hereChamorro-Vargas, C. T., Perez-Rojas, S., Rozo Garcia, U. S., Rodríguez Rodríguez, J. D., Méndez-Galeano, M. Ángel, & Castillo-Rivera, J. 2021. Living in a cold tropical mountain: do the microhabitat use and activity pattern change with elevation in the high-Andean lizard Stenocercus trachycephalus (Squamata: Tropiduridae)? Papéis Avulsos De Zoologia, 61, e20216170  - get paper hereCortés Suárez, Javier Ernesto 2011. Stenocercus trachycephalus Duméril, 1851 (Squamata: Sauria: Tropiduridae) in a disturbed area in Villa de Leyva, Boyacá. Herpetology Notes 4: 391-393  - get paper hereDuméril, A.M.C. & A. H. A. Duméril 1851. Catalogue méthodique de la collection des reptiles du Muséum d'Histoire Naturelle de Paris. Gide et Baudry/Roret, Paris, 224 pp. Dunn, Emmett R. 1944. Herpetology of the Bogota area. Revista de la Academia Colombiana de Ciencias Exacta, Fisicas y Naturales 6: 68-81 Etheridge, Richard E. 1966. The systematic relationships of West Indian and South American lizards referred to the iguanid genus Leiocephalus. Copeia 1966 (1): 79-91  - get paper hereFritts, Thomas H. 1974. A multivariate evolutionary analysis of the Andean Iguanid lizards of the genus Stenocercus. San Diego Society of Natural History Memoir 7: 1-89  - get paper hereRodríguez-Barbosa, Camila A.; Juan Salvador Mendoza-Roldán, Diego A. Gómez Sánchez. 2017. Stenocercus trachycephalus (Duméril, 1851). Lagarto collarejo. Catálogo de Anfibios y Reptiles de Colombia 3 (1): 67-74  - get paper hereTorres-Carvajal, O. 2004. The abdominal skeleton of Tropidurid lizards (Squamata: Tropiduridae). Herpetologica 60 (1): 75-83  - get paper hereWerner,F. 1916. Bemerkungen über einige niedere Wirbeltiere der Anden von Kolumbien mit Beschreibungen neuer Arten. Zool. Anz. 47: 301-311 (in 2 parts)  - get paper here | 
        | External links |  |