Lihat Juga

• Figure 4 in Molecular phylogeny of the tribe Philodryadini Cope, 1886 (Dipsadidae: Xenodontinae): Rediscovering the diversity of the South American Racers
  oleh: Arredondo, Juan Camilo, et al.
  Terbitan: (2020)
• Figure 3 in Molecular phylogeny of the tribe Philodryadini Cope, 1886 (Dipsadidae: Xenodontinae): Rediscovering the diversity of the South American Racers
  oleh: Arredondo, Juan Camilo, et al.
  Terbitan: (2020)
• Molecular phylogeny of the tribe Philodryadini Cope, 1886 (Dipsadidae: Xenodontinae): Rediscovering the diversity of the South American Racers
  oleh: Arredondo, Juan Camilo, et al.
  Terbitan: (2020)
• FIGURE 4. A in Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)
  oleh: Hedges, Blair, et al.
  Terbitan: (2009)
• FIGURE 6 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
  oleh: Zaher, Hussam, et al.
  Terbitan: (2014)