Philodryas: Difference between revisions
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{{Short description|Genus of snakes}} |
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{{Taxobox |
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| image = Callirhinus patagoniensis.jpg |
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| taxon = Philodryas |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordate|Chordata]] |
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| subphylum = [[Vertebrate|Vertebrata]] |
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| classis = [[Reptilia]] |
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| ordo = [[Squamata]] |
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| subordo = [[Serpentes]] |
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| familia = [[Colubridae]] |
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| subfamilia = [[Xenodontinae]] |
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| genus = '''''Philodryas''''' |
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| subdivision_ranks = Species |
| subdivision_ranks = Species |
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See text |
See text |
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| synonyms = ''Atamophis, Callirhinus, Chlorosoma, Dirrhox, Dryophylax, Euophrys, Galeophis, Herpetodryas, Lygophis, Pseudablabes, Teleolepis, Xenodon'' <ref name="Blgr1896"/> |
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'''''Philodryas''''' is a [[genus]] of [[Colubridae|colubrid]] [[snake]]s [[Endemism|endemic]] to [[South America]],<ref name="Blgr1896"/> commonly called '''green snakes'''. |
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==Species== |
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==Description== |
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[[Species]] in the genus ''Philodryas'' share the following characters: |
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Head distinct from neck, with distinct [[Canthus (herpetology)|''canthus rostralis'']]. Eye moderate or large. Pupil round. Body cylindrical or slightly laterally compressed. Tail long. |
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* ''[[Philodryas carbonelli]]'' <small>[[Janis Roze|Roze]], 1957</small> - S [[Venezuela]] |
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[[Dorsal scales]] arranged in 17 to 23 rows at midbody, more or less obliquely. [[Subcaudal scales|Subcaudals]] divided (in two rows). |
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[[Maxilla]]ry teeth smallest anteriorly, 12–15, followed after a gap by two large grooved fangs located just behind the posterior border of the eye.<ref name="Blgr1896"/> |
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==Venom== |
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* ''[[Philodryas oligolepis]]'' <small>[[João Florêncio Gomes|Gomes]], 1921</small> - [[Minas Gerais]], Brazil |
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⚫ | Although colubrid snakes are usually harmless to humans, ''Philodryas'' are [[opisthoglyphous]] (rear-fanged) snakes<ref name="Blgr1896">[[George Albert Boulenger|Boulenger 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).</ref> and can give a venomous bite. |
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==Species and geographic ranges== |
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* ''[[Philodryas simonsi]]'' <small>Boulenger, 1900</small> - [[Ecuador]], Peru |
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There are 16 recognized [[species]].<ref name="ITIS">{{ITIS|id=700309|taxon=''Philodryas ''|accessdate=15 February 2011}}</ref><ref>{{EMBL genus|genus=Philodryas}} www.reptile-database.org.</ref> |
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* ''[[Philodryas tachymenoides]]'' <small>([[Karl Patterson Schmidt|Schmidt]] & Walker, 1943)</small> - Chile, Peru |
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* ''[[Philodryas varia]]'' <small>([[Giorgio Jan|Jan]], 1863)</small><ref>www.philodryas.com</ref> |
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*''[[Philodryas agassizii]]'' {{small|([[Giorgio Jan|Jan]], 1863)}} – Brazil, Argentina, Uruguay, Paraguay - burrowing night snake |
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* ''[[Philodryas viridissima]]'' <small>([[Carl Linnaeus|Linnaeus]], 1758)</small> - N [[South America]] in [[Amazon]] and [[Paraguay River]] basins<ref>[[:es:Marcos Abraham Freiberg|Freiberg, M.]] 1982. ''Snakes of South America'' T.F.H. Publications. Hong Kong. 189 pp. ISBN 0-87666-912-7. (Genus ''Philodryas'', pp. 106-107.)</ref> |
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*''[[Philodryas cordata]]'' {{small|[[Maureen Ann Donnelly|Donnelly]] & [[:fr:Charles William Myers|C. Myers]], 1991}} – Venezuela |
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*''[[Philodryas erlandi]]'' <small>[[Einar Lönnberg|Lönnberg]], 1902</small> – Paraguay, southeastern Bolivia, northern Argentina - Miranda green racer |
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<!-- *''[[Philodryas georgeboulengeri]]'' {{small|[[Felipe G. Grazziotin|Grazziotin]] et al., 2012}} – Bolivia, Brazil, [[Peru]] (= ''[[Xenoxybelis boulengeri]]'')--> |
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*''[[Philodryas varia]]'' {{small|(Jan, 1863)}}<ref>{{cite web |url=http://www.philodryas.com/ |title=Home |website=philodryas.com}}</ref> – Argentina, Bolivia - Jan's green racer |
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''[[Nota bene]]'': A [[Binomial nomenclature|binomial authority]] in parentheses indicates that the species was originally described in a genus other than ''Philodryas''. |
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==References== |
==References== |
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{{ |
{{Reflist}} |
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==Further reading== |
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{{wikispecies}} |
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{{Commons category}} |
{{Commons category}} |
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{{Wikispecies}} |
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*[[Johann Georg Wagler|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). |
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*https://serpientesdevenezuela.org/philodryas-viridissima/ |
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{{Taxonbar|from=Q2704201}} |
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{{Colubrids-stub}} |
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[[Category:Snake genera]] |
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[[Category:Taxa named by Johann Georg Wagler]] |
Latest revision as of 18:10, 20 December 2023
Philodryas | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Family: | Colubridae |
Subfamily: | Dipsadinae |
Genus: | Philodryas Wagler, 1830[1] |
Species | |
See text | |
Synonyms | |
Atamophis, Callirhinus, Chlorosoma, Dirrhox, Dryophylax, Euophrys, Galeophis, Herpetodryas, Lygophis, Pseudablabes, Teleolepis, Xenodon [2] |
Philodryas is a genus of colubrid snakes endemic to South America,[2] commonly called green snakes.
Description[edit]
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.[2]
Venom[edit]
Although colubrid snakes are usually harmless to humans, Philodryas are opisthoglyphous (rear-fanged) snakes[2] and can give a venomous bite.
Species and geographic ranges[edit]
There are 16 recognized species.[1][3]
- Philodryas aestiva (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854) – N Argentina, Bolivia, SE Brazil, Paraguay, Uruguay - Brazilian green racer, common green racer
- Philodryas agassizii (Jan, 1863) – Brazil, Argentina, Uruguay, Paraguay - burrowing night snake
- Philodryas arnaldoi (Amaral, 1932) – Brazil - Arnaldo's green race
- Philodryas baroni Berg, 1895 – N Argentina - Baron's green racer
- Philodryas boliviana Boulenger, 1896 – Bolivia - Bolivian racer
- Philodryas chamissonis (Wiegmann, 1834) – Chile - Chilean green racer, Chilean long-tailed snake
- Philodryas cordata Donnelly & C. Myers, 1991 – Venezuela
- Philodryas erlandi Lönnberg, 1902 – Paraguay, southeastern Bolivia, northern Argentina - Miranda green racer
- Philodryas livida (Amaral, 1923) – Brazil
- Philodryas mattogrossensis Koslowsky, 1898 – Bolivia, SW Brazil, Paraguay - Miranda green racer
- Philodryas nattereri Steindachner, 1870 – WC Brazil, Paraguay - Paraguay green racer
- Philodryas olfersii (Lichtenstein, 1823) – Argentina, Bolivia, W Brazil, Paraguay, E Peru, Uruguay - Lichtenstein's green racer
- Philodryas patagoniensis (Girard, 1858) – Brazil, Bolivia, Paraguay, Argentina, Uruguay - Patagonia green racer
- Philodryas psammophidea Günther, 1872 – Argentina, W & S Brazil - Günther's green racer
- Philodryas trilineata (Burmeister, 1861) – Argentina
- Philodryas varia (Jan, 1863)[4] – Argentina, Bolivia - Jan's green racer
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Philodryas.
References[edit]
- ^ a b "Philodryas ". Integrated Taxonomic Information System. Retrieved 15 February 2011.
- ^ a b c d Boulenger 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).
- ^ Genus Philodryas at The Reptile Database www.reptile-database.org.
- ^ "Home". philodryas.com.
Further reading[edit]
- 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/