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Morunasaurus annularis

Morunasaurus annularis, Photo: Michael Lahanas

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: Hoplocercidae
Genus: Morunasaurus
Species: Morunasaurus annularis

Morunasaurus annularis (O’Shaughnessy, 1881)

Holotype: BMNH 1946.8.10.35 (ex BMNH, collected by Clarence Buckley.

Type locality: “Canelos”, Pastaza Province, Ecuador.

Hoplocercus annularis O’Shaughnessy, 1881: 244 [original combination]
Morunasaurus annularis — Dunn, 1933: 76 [subsequent combination]

Primary references

O'Shaughnessy, A.W.E. 1881. An account of the collection of lizards made by Mr. Buckley in Ecuador, and now in the British Museum, with descritions of the new species. Proceedings of the Zoological Society of London 49(1): 227–245. DOI: 10.1111/j.1096-3642.1881.tb01282.x BHL Reference page.
Dunn, E.R. 1933. Amphibians and reptiles from El Valle de Antón, Panamá. Occasional papers of the Boston Society of Natural History 8: 65–79.


Uetz, P. & Hallermann, J. 2022. Morunasaurus annularis. The Reptile Database. Accessed on 8 July 2018.
Cisneros-Heredia, D.F. 2016. IUCN: Morunasaurus annularis (Vulnerable). The IUCN Red List of Threatened Species 2016: e.T203069A2759780. DOI: 10.2305/IUCN.UK.2016-1.RLTS.T203069A2759780.en

Vernacular names
English: Ringed Spinytail Iguana
español: Mantícoras de anillos

Morunasaurus annularis, known commonly as the ringed manticore or the ringed spinytail iguana, is a species of lizard in the family Hoplocercidae. The species is endemic to northwestern South America. Little is known of its lifestyle.

Geographic range

M. annularis is found in southern Colombia and Ecuador.[1]

M. annularis is oviparous.[1]

"Morunasaurus annularis ". The Reptile Database.

External links

Ringed spinytail iguana skull and information at
Pazmiño Otamendi G (1901). Morunasaurus annularis. In: Torres-Carvajal O, Salazar-Valenzuela D, Merino-Viteri A (editors). ReptiliaWebEcuador. Version 2013.0. Museo de Zoología QCAZ, Pontificia Universidad Católica del Ecuador (in Spanish).

Further reading

Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. Iguanidæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 497 pp. + Plates I-XXIV. (Hoplocercus annularis, pp. 200–201).
O'Shaughnessy AWE (1881). "An Account of the Collection of Lizards made by Mr. Buckley in Ecuador, and now in the British Museum, with Descriptions of the new Species". Proc. Zool. Soc. London 1881: 227-245 + Plates XXII-XXV. (Hoplocercus annularis, new species, pp. 244-245 + Plate XXV, figure 2).

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