FIGURE 15 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand

FIGURE 15. Diagrammatic representation of the excretory system and its relation to the pericardium of Isognomon spathulatus in posterior view; dorsal part of adductor muscle and intestine removed (above dotted line). Inset: abnormal bifurcated anal funnel (AMNH 319257; 62 mm). Abbreviations: af, anal funnel; an, anus; aso, abdominal sense organ; au, auricle; in, intestine; k, kidney; pam, posterior adductor muscle; pc, pericardial cavity; ty/tym, fused major and minor typhlosoles; v, ventricle. Scale bar: 150 mm.