Phylogenetic relationships of Leptotyphlopidae estimated under a Bayesian framework based on eight molecular markers. Only posterior probabilities above 0.95 (>0.95pp) are shown for clarity as black squares at nodes. The arrow indicates the disparate placement of Siagonodon acutirostris.

  Part of: 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.