Uracentron

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Cladus: Unidentata Episquamata Toxicofera
Subordo: Iguania
Infraordo: Pleurodonta

Familia: Tropiduridae
Genus: Uracentron
Species: U. azureum – U. flaviceps
Name

Uracentron Kaup, 1826
Source: Kaup 1826: 88 BHL
Gender: neuter
Type species: Stellio brevicaudatus Latreille, 1802
Fixation: subsequent designation by Fitzinger 1843: 17 BHL

References

Kaup, J.J. 1826: Beyträge zu Amphibiologie und Ichthyologie. Isis von Oken. 18-19, 87-89. BHL
Frost, D.R. 1992: Phylogenetic Analysis and Taxonomy of the Tropidurus Group of Lizards (Iguanina: Tropiduridae). America Museum Novitates. 3033, 1-68 [1]
Fitzinger, L. 1843. Systema Reptilium. Fasciculus primus. Amblyglossae. Braumüller et Seidel: Wien. vi + 106 pp. BHL Reference page.

Uracentron is a genus of tropidurid lizards found in forests in northern South America. It contains only two species, which are both arboreal, have a relatively short spiny tail, and mainly feed on ants.[1]
Species[2]

Uracentron azureum (Linnaeus, 1758) – green thornytail iguana
Uracentron flaviceps (Guichenot, 1855) – tropical thornytail iguana

References

Avila-Pires (1995). Lizards of Brazilian Amazonia (Reptilia: Squamata). Zoologische Verhandelingen 299(1): 1-706
Uracentron, The Reptile Database