Figure 3. L in Leiosolenus (Labis) patagonicus (Bivalvia: Mytilidae) from Argentinean sea, taxonomic revision and anatomical notes

Figure 3. L. patagonicus. Mantle cavity organs of the specimen deposited as CNP-INV 2873. (A) general view of the organism after removal of the left valve; (B-D) detail of the siphon morphology; (E) basal siphonal valve. (F-G) tubular structure secreting mucous substance. Abbreviations: AAM = anterior adductor muscle; BSV = basal siphonal valve; ES = excurrent siphon; IS = incurrent siphon; PAM = posterior adductor muscle.