| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Sibynomorphus oligozonatus ORCÉS & ALMENDÁRIZ 1989
Sibynomorphus oligozonatus — CADLE 2007
Sibynomorphus oligozonatus — WALLACH et al. 2014: 670
Dipsas oligozonatus — ARTEAGA et al. 2018 |
| Distribution | Ecuador
Type locality: ‘‘Zhila (2,250 m) 79°17’26”W,
03°39’45”S, parroquia Oña, cantón Girón, Provincia Azuay [Ecuador].’’
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| Reproduction | oviparous |
| Types | Holotype: MEPN (also as EPN) 3612; additional specimens in AMNH, BMNH, MUSM |
| Diagnosis | Diagnosis: Cadle 2007. |
| Comment | Only known from the holotype.
Synonymy: Maybe a synonym of S. vagrans (fide SCROCCHI et al. 1993). Not listed in Zoological Record.
Distribution: not in Peru fide IUCN assessment.
Diet: primarily molluscs (T. de Lema, pers. comm., 16 Oct 2015).
Habitat: fully arboreal (Harrington et al. 2018). |
| Etymology | Named after Greek oligos (ὀλίγος), little, small, insignificant + Latin zonata, encircling band/marking. [“...El nombre, tomado del griego, se refiere a las escasas fajas transversas, mucho menos numerosas de lo que es usual en el género...”]. (from Esteban Lavilla, pers. comm., May 2024) |
| References |
- Arteaga A, Salazar-Valenzuela D, Mebert K, Peñafiel N, Aguiar G, Sánchez-Nivicela JC, Pyron RA, Colston TJ, Cisneros-Heredia DF, Yánez-Muñoz MH, Venegas PJ, Guayasamin JM, Torres-Carvajal O 2018. Systematics of South American snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Ecuador and Peru. ZooKeys 766: 79-147 - get paper here
- Cadle, J.E. 2007. The snake genus Sibynomorphus (Colubridae: Dipsadinae: Dipsadini) in Peru and Ecuador, with comments on the systematics of Dipsadini. Bull. Mus. Comp. Zool. Harvard 158(5):183-283 - get paper here
- Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
- Orces V., G. & A. Almendariz. 1989. Presencia en el Ecuador de los Colubridos del Genero Sibynomorphus. Rev. Politecnica, Vol. XIV, No. 2: 57-67.
- Rossman, D. A.; Kizirian, D. A. 1993. Variation in the peruvian dipsadine snakes Sibynomorphus oneilli and S. vagus. Journal of Herpetology 27 (1): 87-90 - get paper here
- Scrocchi G. Porto M. Rey L. 1993. Descripcion de una especie nueva y situacion del genero Sibynomorphus (Serpentes: Colubridae) en la Argentina. REVISTA BRASILEIRA DE BIOLOGIA 53 (2): 197- 208.
- Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - get paper here
- Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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