Hydrops

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
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Colubroidea

Familia: Colubridae
Subfamilia: Xenodontinae
Genus: Hydrops
Species: H. caesurus – H. martii – H. triangularis
Name

Hydrops

Hydrops is a genus of snakes in the subfamily Dipsadinae of the family Colubridae. The genus is endemic to South America.[1]

Species

Three species are recognized as being valid.[1][2]

Hydrops caesurus Scrocchi et al., 2005
Hydrops martii (Wagler, 1824)
Hydrops triangularis (Wagler, 1824)

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Hydrops.
Etymology

The specific name, martii, is in honor of German botanist Carl Friedrich Philipp von Martius.[3]
References

Hydrops at the Reptile Database.
"Hydrops ". Integrated Taxonomic Information System. Retrieved 13 August 2007.

Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Hydrops martii, p. 170).

Further reading

Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Genus Hydrops, pp. 186–187).
Freiberg M (1982). Snakes of South America. Hong Kong:T.F.H. Publications. 189 pp. ISBN 0-87666-912-7. (Genus Hydrops, pp. 66, 72, 99-100).
Wagler J (1830). Natürliches System der AMPHIBIEN, mit vorangehender Classification der SÄUGTHIERE und VÖGEL. Ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart & Tübingen: J.G. Cotta. vi + 354 pp. + one plate. (Hydrops, new genus, p. 170). (in German and Latin).