Distribution of the Chironius bicarinatus complex (A), based on first-hand examined and photographic records with locality data: C. bicarinatus: blue circles; C. gouveai: purple circles; C. dracomaris sp. nov.: orange circles. The stars represent their respective type localities; B zoomed map of the Baturité Massif, an area of distribution of Chironius dracomaris sp. nov.; B, C zoomed maps of molecular sampling localities, with the new sequences obtained in this study (highlighted in red) and sequences selected from GenBank.

  Part of: Sudré V, Andrade-Junior A, Folly M, Azevedo JAR, Ávila RW, Curcio FF, Nunes PMS, Passos P (2024) Revision of the Chironius bicarinatus complex (Serpentes: Colubridae): Redefined species boundaries and description of a new species. Vertebrate Zoology 74: 85-120. https://doi.org/10.3897/vz.74.e106238