Fig. 14
Amphisbaenian phylogeny based on Pyron et al. (2013) [36]. 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, sternc: M. sternocoracoideus, subcs: M. subcoraco-scapularis, supc: M. supracoracoideus, scc: scapulocoracoids