Figure 10

Cervical vertebrae of several specimens of Prolacerta broomi. (A) Two incomplete columns of cervical vertebrae of the Antarctic specimen AMNH 9558. (B) An isolated cervical vertebra of the Antarctic specimen AMNH 9568. (C) An incomplete column of cervical vertebrae of the South African specimen UCMP 37151. (D) An isolated fifth cervical vertebra of the South African specimen BP/1/2675. The arrows indicate the anterior direction. Abbreviations used in the figure are distal caudal vertebra (dcv), dentary (de), diapophysis (diap), parapophysis (parap), phalanx (ph), and pterygoid (pt).