Xenodon severus

Familia: Colubridae
Subfamilia: Dipsadinae
Genus: Xenodon
Species:

Xenodon severus (Linnaeus, 1758)

• Holotype: NRM Lin-48 (formerly MAFR).
• Type locality: “Asia”, corrected to “South America” by Günther (1863: 353).

• Coluber severus Linnaeus, 1758: 219 [original combination]
• Xenodon severus — Fitzinger, 1826: 57 [subsequent combination]

• Coluber saurocephalus Wied-Neuwied, 1824: 668
  • Type material: unknown.
  • Type locality: “in den grofsen Urwäldern erhalten, welche von der verwilderten Strafse des Tenente-Coronel Filisberto längs des Flusses Ilheos”.

• Linnaeus, C. 1758. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio Decima, Reformata. Tomus I. Holmiæ (Stockholm): impensis direct. Laurentii Salvii. 824 pp. DOI: 10.5962/bhl.title.542 BHL Reference page. 
• Wied-Neuwied, M. zu 1824. Verzeichniss der Amphibien, welche im zwerten Bande der Naturgeschichte Brasiliens vom Prinz Mac von Neuwied werden beschrieben werden. (Nach Merrem’s Versuch eines Systems der Amphibien). Isis von Oken 14(6): 661–674. BHL Reference page. 

• Andersson, L.G. 1899. Catalogue of Linnean type-specimens of snakes in the Royal Museum in Stockholm. Bihang till Kongliga Svenska Vetenskaps-Akademiens Handlingar 24(6): 1–35. BHL Reference page. 

• Uetz, P., Freed, P., Aguilar, R., F. Reyes, J. Kudera & Hošek, J. (eds.) 2025. Xenodon severus. The Reptile Database. Accessed on 2 March 2021.
• Rivas, G., Gutiérrez-Cárdenas, P., Caicedo, J., Valencia, J., Gonzales, L., Catenazzi, A., Gagliardi, G. & Nogueira, C. 2019. IUCN: Xenodon severus  (Least Concern). The IUCN Red List of Threatened Species 2019: e.T15183689A15183698. DOI: 10.2305/IUCN.UK.2019-3.RLTS.T15183689A15183698.en

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