Tropidophiidae: Trachyboa boulengeri (NHMUK 1901.3.29.77), trunk vertebrae. Note that this specimen consists of only these two vertebrae.

 
 
  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. https://doi.org/10.3897/vz.73.e101372