Fig. 13

Amphisbaenian phylogeny based on Vidal et al. (2008) [35] and Hipsley & Müller (2014) [41]. Schematic pictures and text boxes show synapomormies and autapomorphies concerning pectoral muscles, abbreviations: dc: M. deltoideus clavicularis, ds: M. deltoideus scapularis, etc: M. episternocleidomastoideus and M. trapezius-complex, ld: M. latissimus dorsi, ls: M. levator scapulae, sas: M. serratus anterior superficialis, shp: M. scapulo-humeralis posterior, sternc: M. sternocoracoideus, subcs: M. subcoraco-scapularis, supc: M. supracoracoideus