Fig. 1 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii

Fig. 1. The axial skeleton of the stem-amphisbaenid Slavoia darevskii Sulimski, 1984 from late Campanian of Mongolia. A. The reconstruction of the first four vertebrae in dorsal view (based on different specimens). B. The reconstruction of sternum in ventral view (based on PIN 4487/14). C. The reconstruction of first hypapophysis (based on ZPAL MgR-I/108). D. PIN 3142/358, complete presacral vertebrate column in dorsal view; photo courtesy of Vladimir Alifanov. E. ZPAL MgR-I/78, the neck with well preserved, blunt and broad cervical ribs. F. The reconstruction (based on ZPAL MgR-I/8) of the fifth caudal vertebra in lateral (F1) and dorsal (F2) views; sacral vertebrae in dorsal view (F3).