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Stenocercus tricristatus (DUMÉRIL, 1851)

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Higher TaxaTropiduridae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymOphryoessoides tricristatus DUMÉRIL in DUMÉRIL & DUMÉRIL 1851: 66
Liocephalus tricristatus — BOULENGER 1885: 170
Ophryoessoides tricristatus — ETHERIDGE 1966: 88
Ophryoessoides tricristatus — PETERS et al. 1970: 215
Stenocercus tricristatus — AVILA-PIRES 1995
Stenocercus tricristatus— TORRES-CARVAJAL et al. 2006
Stenocercus cf. tricristatus —TEXEIRA et al. 2015
Stenocercus tricristatus — AVILA-PIRES et al. 2019 
DistributionSE Brazil (Minas Gerais)

Type locality: Minas Gerais, Brazil (unknown locality).  
Reproductionoviparous 
TypesHolotype: MNHN-RA 6825, collected by Peter Claussen, a Danish who lived in Brazil for about 20 years. 
DiagnosisDiagnosis: TORRES-CARVAJAL 2007.


Additional details (3386 characters) are available for collaborators and contributors. Please contact us for details. 
CommentStenocercus dumerilii, S. tricristatus, S.quinarius, and S. squarrosus share combined morphological features (three or five dorsal crests, enlarged post-supraciliary scale, head blunt, pyramidal, bordered by supraciliary crests) unseen in the remainder of the genus (see Avila-Pires 1995, Nogueira & Rodrigues 2006).

Type Species: Ophryoessoides tricristatus is the type species of the genus Ophryoessoides DUMÉRIL 1851.

Distribution: see map in TEIXEIRA et al. 2015: 417. The type locality of S. tricristatus comes from the State of Minas Gerais, most likely from its central, upland areas in or near the Espinhaço range, where most localities cited by Claussen are located, including the two farms where he lived while collecting in Brazil (Luna Filho 2007).

Abundance: only known from the type specimen (Meiri et al. 2017, Avila-Pires et al. 2019).

Habitat. Unknown fide Avila-Pires et al. 2019, but expected to occur either in cerrado veg- etation or in shrublands on rock outcrops, both of which are widespread in these areas. 
EtymologyNamed after Latin tri, three + Latin cristatus, tufted, crested. (DUMÉRIL 1851, Esteban Lavilla, pers. comm., April 2024) 
References
  • Avila-Pires TCS, Nogueira CC, Martins M 2019. A new ‘horned' Stenocercus from the highlands of southeastern Brazil, and redescription of Stenocercus tricristatus (Reptilia: Tropiduridae). Zoologia 36: 1-16 - get paper here
  • Avila-Pires, T.C.S. 1995. Lizards of Brazilian Amazonia (Reptilia: Squamata). Zoologische Verhandelingen 299: 1-706 - get paper here
  • BARROS, Ana Bárbara 2011. HERPETOFAUNA DO PARQUE NACIONAL DA SERRA DA CANASTRA MINAS GERAIS BRASIL M. Sc. Thesis, Universidade Federal de Viçosa - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Carranza, 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 here
  • Duméril, 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.
  • 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 here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Teixeira, Mauro; Ivan Prates, Carolina Nisa, Nathalia Suzan Camarão Silva-Martins, Christine Strüssmann, Miguel Trefaut Rodrigues 2015. Molecular data reveal spatial and temporal patterns of diversification and a cryptic new species of lowland Stenocercus Duméril & Bibron, 1837 (Squamata: Tropiduridae). Molecular Phylogenetics and Evolution 94: 410-423 (2016), doi:10.1016/j.ympev.2015.09.010 - get paper here
  • Torres-Carvajal, O. 2005. A new species of Stenocercus (Squamata, Iguania) from central-western Brazil with a key to Brazilian Stenocercus. Phyllomedusa 4 (2): 123-132 - get paper here
  • Torres-Carvajal, Omar; James A. Schulte II and John E. Cadle 2006. Phylogenetic relationships of South American lizards of the genus Stenocercus (Squamata: Iguania): A new approach using a general mixture model for gene sequence data. Molecular Phylogenetics and Evolution 39 (1): 171-185 - get paper here
 
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