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Sordellina punctata (PETERS, 1880)

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Higher TaxaColubridae (Dipsadinae, Echinantherini), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Dotted Brown Snake
Portuguese: Cobra-D’água, Cobra-Lisa, Cobra-Preta, Cobrinha-Preta-do-Litoral 
SynonymXenodon punctatus PETERS 1880: 221
Pseudoxyrhopus punctatus — BOULENGER 1890
Pseudoxyrhopus punctatus — BOULENGER 1893: 317
Liophis rehi WERNER 1909
Sordellina brandon-jonesii PROCTER 1923
Sordellina pauloensis AMARAL 1923: 88
Sordellina pauloensis AMARAL 1926: 104
Sordellina punctata — HOGE 1958
Sordellina punctata — BAUER et al. 1995: 75
Sordellina punctata — GRAZZIOTIN et al. 2012
Sordellina punctata — WALLACH et al. 2014: 681
Sordellina punctata — NOGUEIRA et al. 2019 
DistributionBrazil (coastal areas of Santa Catarina, Sao Paulo, Parana, Rio de Janeiro)

Type locality: “Brasilien”  
TypesHolotype: ZMB 9647 
DiagnosisDiagnosis: “Sordellina punctata can be recognized by having (for additional characters, see Hoge and Romano, 1978; Miranda and Fernandes, 2012): (1) usually eight supralabials; (2) 17/17/17 dorsal scale rows, with no apical pits; (3) head dark brown in dorsal view with supralabials mottled with white or yellow; (4) dorsum uniformly dark brown to black; (5) hemipenis slightly bilobed, the lobular region covered by papillae with little or no tissue interconnection; (6) 11–14 prediastemal maxillary teeth and two postdiastemal teeth; (7) dorsolateral crests of the parietal conspicuous and smoothly tapered in the posterior region, close to the contact with supraoccipital (Figures 4F, 5F).” (Abegg et al. 2022)

For a morphological comparison of the genera Adelphostigma, Amnisiophis, Dibernardia, Echinanthera, Sordellina, and Taeniophallus see Abegg et al., 2022: 10 (Table 1). 
CommentSynonymy that of PETERS & OREJAS-MIRANDA 1970. BOULENGER (1890) thought that Xenodon punctatus is a member of Pseudoxyrhopus and its origin is from Madagascar. Note that Amaral described Sordellina pauloensis as a new species in two independent papers, published in 1923 and 1926.

Distribution: One record from Mato Grosso do Sul is doubtful (Miranda & Fernandes 2012). See map in Nogueira et al. 2019.

Type species: Sordellina brandon-jonesii Procter 1923 = Xenodon punctatus PETERS 1880: 221 is the type species of the genus Sordellina PROCTER 1923. 
EtymologyThe genus was named after Ferdinando Sordelli (1837–1916), Italian artist and naturalist, “for whose beautiful work in the ‘Iconographie Générale des Ophidiens’ all workers at snakes will ever be grateful” (Procter, 1923). The genus name is feminine. 
  • Abegg AD, Santos AP Jr, Costa HC, Battilana J, Graboski R, Vianna FSL, Azevedo WS, Fagundes NJR, Castille CM, Prado PC, Bonatto SL, Zaher H and Grazziotin FG 2022. Increasing taxon sampling suggests a complete taxonomic rearrangement in Echinantherini (Serpentes: Dipsadidae). Front. Ecol. Evol. 10:969263 - get paper here
  • Amaral, A. do 1926. Novos gêneros e expécies de ophidios brasileiros. Arch. Mus. Nac. Brazil, Rio de Janeiro 26: 1-27
  • Bauer, A.M.; Günther,R. & Klipfel,M. 1995. The herpetological contributions of Wilhelm C.H. Peters (1815-1883). SSAR Facsimile Reprints in Herpetology, 714 pp.
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Boulenger,G.A. 1890. On the Ophidian genus Pseudoxyrhopus, Gthr. Ann. Mag. nat. Hist. (6) 6: 311-314 - get paper here
  • Cicchi, P.J.P., M.A. Sena, D.M. Peccinini-Seale, and M.R. Duarte. 2007. Snakes from coastal islands of State of São Paulo,Southeastern Brazil. Biota Neotropica 17: 227–240 - get paper here
  • Fiorillo BF, Silva BR, Menezes FA, Marques OAV, Martins M 2020. Composition and Natural History of Snakes from Etá Farm region, Sete Barras, south-eastern Brazil. ZooKeys 931: 115-153 - get paper here
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • Grazziotin, Felipe G.; Hussam Zaher, Robert W. Murphy, Gustavo Scrocchi, Marco A. Benavides, Ya-Ping Zhang and Sandro L. Bonatto 2012. Molecular phylogeny of the New World Dipsadidae (Serpentes: Colubroidea): a reappraisal. Cladistics DOI: 10.1111/j.1096-0031.2012.00393.x - get paper here
  • HOGE, A.R. 1958. Die Systematische Stellung von Xenodon punctatus Peters, 1880 und Philodryas taeniatus Hensel, 1868. Mitteilungen aus dem Zoologischen Museum in Berlin 34:49-56 - get paper here
  • Hoge, A.R.; Romano, S.A.R.W.D.L. 1978. REDESCRIPTION AND RANGE OF SORDELLINA PUNCTATA (PETERS) [SERPENTES: COLUBRIDAE]. Mem. Inst. Butantan 40/41: 63-70 [1976-1977] - get paper here
  • Kunz, Tobias Saraiva;<br />Ivo Rohling Ghizoni-Jr.,<br />Walter Luis Alves dos Santos & Paulo Afonso Hartmann 2007. Nota sobre a coleção herpetológica da Universidade Federal de Santa Catarina (UFSC). Biotemas, 20 (3): 127-132 - get paper here
  • Lucas, Marcelo S.B.; Ricardo S. Mendonca, Silvia R. Travaglia-Cardoso and Giuseppe Puorto 2011. Sordellina punctata (water snake): Diet and behaviour. Herpetological Bulletin (117) - get paper here
  • Miranda, Bruno Henrique V. and Daniel Silva Fernandes 2012. Morphological Variation of Sordellina punctata (Peters, 1880) with Notes on the Phylogenetic Position of the Genus within the Family Dipsadidae (Serpentes). International Journal of Zoology (827820): 1-10, doi:10.1155/2012/827820 - get paper here
  • Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - get paper here
  • Pereira, D. N.; F. Stender-Oliveira, M. G. Rodrigues, and R. S. Bérnils 2007. Distribution and habitat use of Sordellina punctata (Serpentes, Colubridae), with a new record from State of Sa ̃o Paulo, Brazil. Herpetological Bulletin (100): 18–22 - get paper here
  • Peters,W.C.H. 1880. Eine Mittheilung über neue oder weniger bekannte Amphibien des Berliner Zoologischen Museums (Leposoma dispar, Monopeltis (Phractogonus jugularis, Typhlops depressus, Leptocalamus drilineatus, Xenodon punctatus, Elapomorphus erythronotus, Hylomantis Monatsber. Königl.-Preuss. Akad. Wiss. Berlin 1880: 217-224 - get paper here
  • Procter, J. B. 1923. On a new genus and species of colubrine snake from S. E. Brazil. Annals and Magazine of Natural History, Series 9, 11(62): 227-230 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Zaher, Hussam; Fausto Erritto BarboI; Paola Sanchez Martínez; Cristiano Nogueira; Miguel Trefaut Rodrigues; Ricardo Jannini Sawaya 2011. Répteis do Estado de São Paulo: conhecimento atual e perspectivas. Biota Neotropica, 11 (1): 1–15. - get paper here
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