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{{Short description|Species of snake}}
{{Speciesbox
{{Speciesbox
| image =
| image = Manolepis putnami.jpg
| status = LC
| status = LC
| status_system = IUCN3.1
| status_system = IUCN3.1
| status_ref = <ref name=IUCN>Ponce-Campos, P. & García Aguayo, A. 2007. Manolepis putnami. The IUCN Red List of Threatened Species 2007: e.T63843A12721371. https://dx.doi.org/10.2305/IUCN.UK.2007.RLTS.T63843A12721371.en. Downloaded on 08 October 2018.</ref>
| status_ref = <ref name="iucn status 18 November 2021">{{cite iucn |author=Ponce-Campos, P. |author2=García Aguayo, A. |date=2007 |title=''Manolepis putnami'' |volume=2007 |page=e.T63843A12721371 |doi=10.2305/IUCN.UK.2007.RLTS.T63843A12721371.en |access-date=18 November 2021}}</ref>
| parent_authority = [[Edward Drinker Cope|Cope]], 1885
| parent_authority = [[Edward Drinker Cope|Cope]], 1885
| taxon = Manolepis putnami
| taxon = Manolepis putnami
| authority = (Jan, 1863)
| authority = ([[Giorgio Jan|Jan]], 1863)
| synonyms = ''Dromicus putnami''
| synonyms = *''Dromicus putnami'' <br />{{small|Jan, 1863}}
*''Tomodon nasutus'' <br />{{small|Cope, 1864}}
| synonyms_ref = <ref name=RDB/>
*''Manolepis nasutus'' <br />{{small|— Cope, 1885}}
*''Dromicus (Ocyophis) putnami'' <br />{{small|— [[Marie Firmin Bocourt|Bocourt]], 1890}}
*''Philodryas putnami'' <br />{{small|— [[Albert Günther|Günther]], 1895}}
*''Manolepis putnami'' <br />{{small|— [[George Albert Boulenger|Boulenger]], 1896}}
| synonyms_ref = <ref name=RDB/><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). xiv + 727 pp. + Plates I-XXV. (Genus ''Manolepis'' p. 120; species ''Manolepis putnami'', new combination, p. 120).</ref>
}}
}}
⚫
The '''ridgehead snake''' (''Manolepis putnami'') is a snake<ref name=RDB-genus/> endemic to southeastern [[Mexico]].<ref name=RDB/>


⚫
The '''ridgehead snake''' ('''''Manolepis putnami''''') is a [[species]] of [[snake]] in the [[Family (biology)|family]] [[Colubridae]]. The species is [[Endemism|endemic]] to southeastern [[Mexico]].
⚫
== References ==

⚫
{{Reflist|refs=
==Etymology==
<ref name=RDB-genus>{{NRDB genus|genus=Manolepis |date=5 December |year=2016}}</ref>
The [[Specific name (zoology)|specific name]], ''putnami'', is in honor of American anthropologist [[Frederic Ward Putnam]].<ref>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}}. (''Monolepis putnami'', p. 213).</ref>

==Taxonomy==
''M. putnami'' is the [[type species]] of the [[Monotypic taxon|monotypic]] [[genus]] ''Manolepis''.<ref name=RDB>{{EMBL species|genus=Manolepis|species=putnami}}. www.reptile-database.org.</ref>

==Geographic range==
''M. putnami'' is found in the Mexican states of [[Chiapas]], [[Colima]], [[Guerrero]], [[Jalisco]], [[Nayarit]], and [[Oaxaca]].<ref name=RDB/>

==Habitat==
The natural [[habitat]] of ''M. putnami'' is [[forest]].<ref name="iucn status 18 November 2021" />

==Description==
''M. putnami'' may attain a total length of {{convert|55|cm|in|abbr=on}}, including a tail {{convert|14|cm|in|abbr=on}} long. [[Dorsum (anatomy)|Dorsally]], it is pale brown or yellowish, with a brown, darker-edged vertebral stripe three scales wide. Ventrally it is whitish, speckled with brown. The [[dorsal scales]] are smooth, without apical pits, and in 19 rows at midbody. The [[Anal scale|anal plate]] is divided, and the [[Subcaudal scales|subcaudals]] are in two rows.<ref name=Blgr1896/>

''M. putnami'' is rear-fanged ([[opisthoglyphous]]). It has 15 small, equal [[maxilla]]ry teeth, followed, after a space, by two enlarged grooved fangs. The anterior mandibular teeth are much longer than the posterior.<ref name=Blgr1896/>

⚫
==References==
⚫
{{Reflist}}

==Further reading==
*Heimes, Peter (2016). ''Snakes of Mexico: Herpetofauna Mexicana Vol. I''. Frankfurt am Main, Germany: Chimaira. 572 pp. {{ISBN|9783899731002}}.
*[[Giorgio Jan|Jan G]] (1863). ''Elenco sistematico degli ofidi descritti e disegnati per l'iconografia generale''. Milan: A. Lombardi. vii + 143 pp. (''Dromicus putnami'', new species, p.&nbsp;67). (in Italian).


<ref name=RDB>{{NRDB species|genus=Manolepis |species=putnami |accessdate=5 December 2016}}</ref>
}}
{{Taxonbar|from1=Q15148400|from2=Q3286415}}
{{Taxonbar|from1=Q15148400|from2=Q3286415}}


[[Category:Colubrids]]
[[Category:Dipsadinae]]
[[Category:Reptiles described in 1863]]
[[Category:Reptiles described in 1863]]
[[Category:Reptiles of Mexico]]
[[Category:Reptiles of Mexico]]
[[Category:Taxa named by Giorgio Jan]]



{{colubrid-stub}}
{{Dipsadinae-stub}}

Latest revision as of 17:04, 1 February 2024

Ridgehead snake
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Manolepis
Cope, 1885
Species:
M. putnami
Binomial name
Manolepis putnami
(Jan, 1863)
Synonyms[2][3]
  • Dromicus putnami
    Jan, 1863
  • Tomodon nasutus
    Cope, 1864
  • Manolepis nasutus
    — Cope, 1885
  • Dromicus (Ocyophis) putnami
    — Bocourt, 1890
  • Philodryas putnami
    — Günther, 1895
  • Manolepis putnami
    — Boulenger, 1896

The ridgehead snake (Manolepis putnami) is a species of snake in the family Colubridae. The species is endemic to southeastern Mexico.

Etymology[edit]

The specific name, putnami, is in honor of American anthropologist Frederic Ward Putnam.[4]

Taxonomy[edit]

M. putnami is the type species of the monotypic genus Manolepis.[2]

Geographic range[edit]

M. putnami is found in the Mexican states of Chiapas, Colima, Guerrero, Jalisco, Nayarit, and Oaxaca.[2]

Habitat[edit]

The natural habitat of M. putnami is forest.[1]

Description[edit]

M. putnami may attain a total length of 55 cm (22 in), including a tail 14 cm (5.5 in) long. Dorsally, it is pale brown or yellowish, with a brown, darker-edged vertebral stripe three scales wide. Ventrally it is whitish, speckled with brown. The dorsal scales are smooth, without apical pits, and in 19 rows at midbody. The anal plate is divided, and the subcaudals are in two rows.[3]

M. putnami is rear-fanged (opisthoglyphous). It has 15 small, equal maxillary teeth, followed, after a space, by two enlarged grooved fangs. The anterior mandibular teeth are much longer than the posterior.[3]

References[edit]

  1. ^ a b Ponce-Campos, P.; García Aguayo, A. (2007). "Manolepis putnami". IUCN Red List of Threatened Species. 2007: e.T63843A12721371. doi:10.2305/IUCN.UK.2007.RLTS.T63843A12721371.en. Retrieved 18 November 2021.
  2. ^ a b c Species Manolepis putnami at The Reptile Database . www.reptile-database.org.
  3. ^ a b c 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). xiv + 727 pp. + Plates I-XXV. (Genus Manolepis p. 120; species Manolepis putnami, new combination, p. 120).
  4. ^ 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. (Monolepis putnami, p. 213).

Further reading[edit]

  • Heimes, Peter (2016). Snakes of Mexico: Herpetofauna Mexicana Vol. I. Frankfurt am Main, Germany: Chimaira. 572 pp. ISBN 9783899731002.
  • Jan G (1863). Elenco sistematico degli ofidi descritti e disegnati per l'iconografia generale. Milan: A. Lombardi. vii + 143 pp. (Dromicus putnami, new species, p. 67). (in Italian).


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