更多pygostyle例句

1. The posterior caudal vertebrae are not united together to form a pygostyle.
2. They all agree in having a short tail whose component vertebrae are commonly ankylosed together forming a pygostyle.
3. The tail is short and the posterior caudal vertebrae are generally ankylosed together forming a pygostyle.
4. The tail is comparatively long, and formed of twelve vertebrae with only slight indications of a pygostyle.
5. The last six or seven caudal vertebrae coalesce into the pygostyle, an upright blade which carries the rectrices.