Belesodon magnificus (GPIT-PV-31575) and Dimetrodon limbatus (GPIT-PV-31373). A Overview over the mounted skeleton on display of Belesodon magnificus. B Cervical and anterior dorsal vertebral column. C Posterior dorsal, sacral, and caudal vertebral column. D The two first sacral vertebrae have been preserved, the third one was not preserved. Yellow arrows mark fossil vertebrae and ribs. The flattened ribs in the posterior part of the dorsal vertebral column were amended based on Traversodon and Cynognathus according to von Huene (1935–42). E Overview over the mounted skeleton of Dimetrodon limbatus on display. F Overview over the vertebrae and ribs of the cervical and cranial dorsal vertebral column. G Vertebrae and ribs of the caudal dorsal vertebral column. H Sacrum and caudal vertebral column. Yellow arrows mark fossil vertebrae and ribs; orange arrows mark exemplaric for one caudal vertebra the added parts made of plaster. Most vertebral centra, as well as the long dorsal spines of the dorsals are fossil material. Most ribs, and in the caudals also the dorsal spines are amended by plaster.