Tropidophiidae: Trachyboa boulengeri (NHMUK 1907., trunk vertebrae and cloacal vertebrae. Note that there are only two cloacal vertebrae in this specimen.

  Part of: Szyndlar Z, Georgalis GL (2023) An illustrated atlas of the vertebral morphology of extant non-caenophidian snakes, with special emphasis on the cloacal and caudal portions of the column. Vertebrate Zoology 73: 717-886.