Tomodon

{{Short description|Genus of snakes}} {{speciesbox | status = LC | status_system = IUCN3.1 | status_ref = <ref name="iucn status 20 November 2021">{{cite iucn |author1=Cacciali, P.|author1-link=Pier Cacciali |author2=Carreira, S. |author2-link=species:Santiago Carreira |author3=Scott, N. |author3-link=Norman J. Scott |date=2019 |title=''Tomodon dorsatus'' |volume=2019 |article-number=e.T169682A61317827|url=https://www.iucnredlist.org/species/169682/61317827|access-date=20 November 2021}}</ref> | taxon = Tomodon dorsatus | parent_authority = A.M.C. Duméril, 1853 | authority = A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854 | synonyms = *''Tomodon dorsatum'' <br />{{small|A.M.C. Duméril, Bibron & A.H.A Duméril, 1854}} *''Opisthoplus degener'' <br />{{small|W. Peters, 1883}} *''Tomodon degener'' <br />{{small|(W. Peters, 1883)}} *''Aproterodon clementei'' <br />{{small|Vanzolini, 1947}} | synonyms_ref = <ref name=RDB/> }} thumb | right | ''Tomodon dorsatus'' '''''Tomodon''''' is a monotypic genus of snake in the subfamily Dipsadinae of the family Colubridae. The genus contains the sole species '''''Tomodon dorsatus''''', also known commonly as the '''pampas snake''', which is endemic to South America.<ref name=RDB>{{EMBL species|genus=Tomodon|species=dorsatus}}. www.reptile-database.org.</ref>

==Description== The eye of ''Tomodon dorsatus'' has a round pupil. The lining of the mouth is black. The last maxillary tooth is enlarged and grooved. There are seven upper labials. The smooth dorsal scales are arranged in 17 rows on the neck and at midbody, and reduced to 15 rows anterior to the cloaca. <ref name=RDB/>

==Geographic distribution== ''Tomodon dorsatus'' is found in northeastern Argentina, central and southeastern Brazil, Paraguay, and Uruguay.<ref name="iucn status 20 November 2021"/>

==Habitat== The preferred natural habitat of ''Tomodon dorsatus'' is forest.<ref name="iucn status 20 November 2021"/>

==Diet== ''Tomodon dorsatum'' preys exclusively upon molluscs.<ref name="iucn status 20 November 2021"/>

==Reproduction== The mode of reproduction of ''Tomodon dorsatus'' has been described as viviparous<ref name="iucn status 20 November 2021"/> and as ovoviviparous.<ref name=RDB/>

==References== {{Reflist}}

==Further reading== {{refbegin}} *{{cite book |last1=Boulenger |first1=G.A. |author1-link=George Albert Boulenger |title=Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthogylyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ |date=1896 |publisher=Trustees of the British Museum (Natural History). (Taylor and Francis, printers) |location=London}} xiv + 727 pp. + Plates I–XXV. (''Tomodon dorsatus'', corrected gender of specific name, p. 121). *{{cite journal |last1=Duméril |first1=[A.M.C.] |author1-link=André Marie Constant Duméril |title=''Prodrome de la classification des reptiles ophidiens'' |journal=Mémoires de l'Académie des Sciences de l'Institut de France |date=1853 |volume=23 |pages=399–536}} (''Tomodon'', new genus, p. 495). (in French). *{{cite book |last1=Duméril |first1=A.-M.-C. |last2=Bibron |first2=G. |author2-link=Gabriel Bibron |last3=Duméril |first3=A.[-H.-A.] |author3-link=Auguste Duméril |title=Erpétologie générale ou histoire naturelle complète des reptiles. Tome septième — Deuxième partie. Comprenant l'histoire des serpents venimeux |date=1854 |publisher=Roret |location=Paris}} xii + pp. 781–1536. (''Tomodon dorsatum'', new species, pp. 934–936). (in French). *{{cite book |last1=Freiberg |first1=M. |author1-link=Marcos Abraham Freiberg |title=Snakes of South America |date=1982 |publisher=T.F.H. Publications |location=Hong Kong |isbn=0-87666-912-7}} 189 pp. (''Tomodon dorsatus'', p. 112). {{refend}}

Category:Dipsadinae Category:Monotypic snake genera Category:Taxa named by André Marie Constant Duméril