Chiloscyllium punctatum, male: Different views of the heart and neighbouring cartilaginous structures. A lateral, B detail lateral, C detail ventral, D ventral and E latero-ventral views as a rendered surface. Abbreviations: ba, branchial arches; ca, conzs arteriosus; co, coracoid; he, heart; ms, mesopterygium; mt, metopterygium; pt, pteropterygium; sc, scapula; ssc, suprascapula; vc, vertrebral column.