Figure 9

Armorloricus elegans . Schematic drawing of the myoanatomy of a larva with retracted mouth cone. The outer contour of the specimen is represented by the black line. Abbreviations: a, abdomen; ad, anterodorsal longitudinal retractor muscles; ads, anterodorsal semicircular muscle; ar, anterior ring muscle; avs, anteroventral short longitudinal muscles; as, anal sphincter; cs, clavoscalid; ddt, dorsal double transverse muscle; i, introvert; lo, lorica; lst, lateral short transverse muscle; mcr, mouth cone longitudinal retractors; muc, mucrones; pbm, pharyngeal bulb musculature; pd, posterodorsal longitudinal retractor muscles; pms, posteriormost short longitudinal muscles; ps, posterior short longitudinal muscles; se, posterolateral sensory setae; ss, spinoscalids; svl, short midventral longitudinal muscles; t, thorax; tb, thin longitudinal muscles of the base of the mouth cone; tdt, thin middorsal transverse muscle; thp, thoracic plates; tl, thin longitudinal muscles; tpt, thin posteroventral transverse muscle; tv, triangular posteroventral muscle; vdt, ventral double transverse muscle; vl, ventral longitudinal retractor muscles; arrows, posterior toes.