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Siagonodon exiguum MARTINS, FOLLY, NUNES FERREIRA, GARCIA DA SILVA, KOCH, FOUQUET, MACHADO, LOPES, PINTO, RODRIGUES & PASSOS, 2023

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Higher TaxaLeptotyphlopidae, Epictinae, Epictini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymSiagonodon exiguum MARTINS, FOLLY, NUNES FERREIRA, GARCIA DA SILVA, KOCH, FOUQUET, MACHADO, LOPES, PINTO, RODRIGUES & PASSOS 2023: 348 
DistributionBrazil (Pará)

Type locality: Monte Branco Plateau located in the Saracá-Taquera National Forest, Pará, Brazil (01°37’56.99”S, 56°33’29.03”W, 195 meters above sea level (m a.s.l.)  
Reproduction 
TypesHolotype: MNRJ 27562, Adult female (Figs 3–5 in Martins et al. 2023).
Paratypes (Figs 3–5). Six specimens, two females (MNRJ 27557 and 27561) and four males (MNHN-RA-2023.0001, MNRJ 27558–60). MNRJ 27557–61, unknown collector, from the type locality (01°37’S, 56°33’W); and MNHN-RA-2023.001, collected by T. Decaens and E. Lapied on March 2015, from Mitaraka (02°14’8.77”N, 54°26’57.41”W; 328 m a.s.l), French Guiana. 
DiagnosisDiagnosis: The putative autapomorphy of Siagonodon exiguum sp. nov. may be represented by lateral pointed projections on the snout or with inconspicuous lateral projection by presenting a slight concavity on the mid-rostral portion of snout (see below in comparison the opposite states for snout condition). (Martins et al. 2023) 
Comment 
References
  • Martins A, Folly M, Ferreira GN, Garcia da Silva AS, Koch C, Fouquet A, Machado A, Lopes RT, Pinto R, Rodrigues MT, Passos P 2023. An evolutionary paradox on threadsnakes: Phenotypic and molecular evidence reveal a new and remarkably polymorphic species of Siagonodon (Serpentes: Leptotyphlopidae: Epictinae) from Amazonia. Vertebrate Zoology 73: 345–366 - get paper here
 
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