Dipsas ellipsifera (BOULENGER, 1898)

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Leptognathus ellipsifera BOULENGER 1898: 117 Sibynomorphus ellipsifer — AMARAL ‘‘1929’’ [1930]: 197 Dipsas ellipsifera — PETERS 1960: 87 Dipsas elegans — PETERS 1960: 87 (part.) Dipsas oreas ellipsifera — ORCÉS & ALMENDÁRIZ 1987 Dipsas ellipsifera — CADLE 2005 Dipsas ellipsifera — WALLACH et al. 2014: 232
Distribution	NW Ecuador (valley of the Río Mira, Imababura Province); W Colombia Type locality: Ibarra, Ecuador
Reproduction	oviparous (not imputed, fide Zimin et al. 2022)
Types	Lectotype: BMNH 1946.1.21.26; paralectotypes: BMNH 1946. 1. 21. 26–29
Diagnosis	Diagnosis: Cadle 2005: 82.
Comment	Dipsas ellipsifera has been removed from the synonymy of D. elegans and relegated to subspecies status of D. oreas (fide Orcés & Almendáriz 1987). Behavior: Dipsas ellipsifera is nocturnal. Synonymy mostly after CADLE 2005. Habitat: fully arboreal (Harrington et al. 2018).
Etymology	Named after Greek elleipsis (ἔλλειψις), ellipse + Greek phero (φέρω), bing, bear, carry. [“...Olive-brown above, regularly marked with black ellipses with lighter centres disposed vertically on each side of the body...”]. (from Esteban Lavilla, pers. comm., May 2024)
References	Amaral,A. do 1930. Estudos sobre ophidios neotropicos XVIII. Lista remissiva dos ophidios da região neotropica. Mem. Inst. Butantan 4: 126-271 [1929] - get paper here Boulenger, George A. 1898. An account of the reptiles and batrachians collected by Mr. W. F. H. Rosenberg in western Ecuador. Proc. Zool. Soc. London 1898: 107-126 - get paper here Cadle, J. E. 2005. SYSTEMATICS OF SNAKES OF THE DIPSAS OREAS COMPLEX (COLUBRIDAE: DIPSADINAE) IN WESTERN ECUADOR AND PERU, WITH REVALIDATION OF D. ELEGANS (BOULENGER) AND D. ELLIPSIFERA (BOULENGER). Bull. Mus. Comp. Zool. Harvard 158 (3): 67-136 - get paper here Gemel, R.; G. Gassner & S. Schweiger 2019. Katalog der Typen der Herpetologischen Sammlung des Naturhistorischen Museums Wien – 2018. Ann. Naturhist. Mus. Wien, B 121: 33–248 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 Orcés,V. & Almendáriz,A. 1987. Sistematica y distribución de las serpientes dipsadinae del grupo oreas. Politécnica, 12 (4):135-44 Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp. Peters , J. A. 1960. The snakes of the subfamily Dipsadinae. Misc. Publ. Mus. Zool., Univ. Michigan (114): 224 pp. - get paper here 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. Werner, F. 1910. Neue oder seltenere Reptilien des Musée Royal d'Histoire Naturelle de Belgique in Brüssel. [Mabuia dolloi, Mabuia polylepis]. Zool. Jb. Abt. Syst. Okol. Geogr. 28 [1909]: 263-288. - get paper here Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	IUCN Red List National Center for Biotechnology Information http://www.bioone.org/perlserv/?request=get-abstract&doi=10.3099%2F0027… https://bioweb.bio/faunaweb/reptiliaweb/FichaEspecie/Dipsas%20ellipsifera Google images

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