Hypnale nepa

Hypnale nepa

Taxonavigation

Taxonavigation: Viperoidea

Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia 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 Cladus: Toxicofera Subordo: Serpentes Infraordo: Caenophidia Superfamilia: Viperoidea

Familia: Viperidae
Subfamilia: Crotalinae
Genus: Hypnale
Species: Hypnale nepa

Name

Hypnale nepa (Laurenti, 1768)

• Lectotype: WHT 6515, adult ♂. [designated by Maduwage et al. (2009: 10)]
• Type locality: “Africa” (in error); fixed by lectotype designation to “Agra Arboretum, Agarapatana, [Sri Lanka] 06°50’N, 80°40’ E, elevation 1665 m”, by Maduwage et al. (2009: 10).

Combinations

• Coluber nepa Laurenti, 1768: 97 [original combination]
• Hypnale nepa — Cope, 1859: 335 [name combination]
• Ancistrodon nepa — Smith, 1937: 730 [name combination]
• Agkistrodon nepa — Taylor, 1950: 595 [name combination]

Synonyms

• Hypnale walli Gloyd, 1977: 1011 [synonymized by Maduwage et al. (2009: 2)]
  • Holotype: AMNH 99385, adult ♀.
  • Type locality: “Kanneliya Forest, Udugama, Southern Province, Ceylon [=Sri Lanka], elevation approximately 1000 ft.”

References

Primary references

• Laurenti, J.N. 1768. Specimen medicum, exhibens synopsin reptilium emendatam cum experimentis circa venena et antidota reptilium austriacorum, quod authoritate et consensu (In Latin). Joan Thomae: Vienna. 217 pp. BHL Reference page. 
• Gloyd, H.K. 1977. Descriptions of new taxa of crotalid snakes from China and Ceylon (Sri Lanka). Proceedings of the Biological Society of Washington 90: 1002–1015. BHL
• Maduwage, K., Silva, A., Manamendra-Arachchi, K. & Pethiyagoda, R. 2009. A taxonomic revision of the South Asian hump-nosed pit vipers (Squamata: Viperidae: Hypnale). Zootaxa 2232: 1–28. Abstract & excerpt. Reference page. 

Links

• Uetz, P. & Hallermann, J. 2024. Hypnale nepa. The Reptile Database. Accessed on 11 November 2017.
• Ukuwela, K., de Silva, A., Kannishka, S., Pushpamal, V. & Kandambi, D. 2021. IUCN: Hypnale nepa  (Endangered). The IUCN Red List of Threatened Species 2021: e.T178661A123308135. DOI: 10.2305/IUCN.UK.2021-3.RLTS.T178661A123308135.en. Accessed on 26 June 2023.

Vernacular names

English: Sri Lanka Humpnose Viper