Philodryas

{{Short description|Genus of snakes}}

{{Use dmy dates|date=June 2020}}

{{Automatic taxobox

| image = Parejera (Philodryas patagoniensis), Uruguay, 2018.jpg

| image_caption = Philodryas patagoniensis

| image2 = Colubridae - Philodryas baroni-001.JPG

| image2_caption = Philodryas baroni

| taxon = Philodryas

| authority = Wagler, 1830

| subdivision_ranks = Species

| subdivision = See text

| synonyms = Atamophis, Callirhinus, Chlorosoma, Dirrhox, Dryophylax, Euophrys, Galeophis, Herpetodryas, Lygophis, Pseudablabes, Teleolepis, Xenodon

}}

Philodryas is a genus of colubrid snakes endemic to South America, commonly called green snakes.

Description

Species in the genus Philodryas share the following characters:

Head distinct from neck, with distinct canthus rostralis. Eye moderate or large. Pupil round. Body cylindrical or slightly laterally compressed. Tail long.

Dorsal scales arranged in 17 to 23 rows at midbody, more or less obliquely. Subcaudals divided (in two rows).

Maxillary teeth smallest anteriorly, 12–15, followed after a gap by two large grooved fangs located just behind the posterior border of the eye.

Venom

Although colubrid snakes are usually harmless to humans, Philodryas are opisthoglyphous (rear-fanged) snakesBoulenger GA (1896). Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ) ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xxiv + 727 pp. + Plates I-XXV. (Genus Philodryas, p. 127). and can give a venomous bite.

Species and geographic ranges

There are 16 recognized species.{{ITIS|id=700309|taxon=Philodryas |accessdate=15 February 2011}}{{EMBL genus|genus=Philodryas}} www.reptile-database.org.

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

References

{{Reflist}}

Further reading

{{Commons category}}

{{Wikispecies}}

  • Wagler JG (1830). Natürliches System der Amphibien, mit vorangehender Classification des Säugthiere und Vögel. Ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart, and Tübingen: J.G. Cotta. vi + 354 pp. (Philodryas, new genus, p. 185). (in German and Latin).
  • https://serpientesdevenezuela.org/philodryas-viridissima/

{{Taxonbar|from=Q2704201}}

Category:Philodryas

Category:Snake genera

Category:Taxa named by Johann Georg Wagler