Xanthidae Dana, 1851

Leptodius sanguineus (H. Milne Edwards, 1834) (Fig. 19)

The cardiac sac is comparatively very small. Ossicles I, II and VI are nearly vertical. The pectinal ossicle (VIII) is horseshoe-shaped with ten accessory teeth. The inferior lateral cardiac ossicle (XIII) has a connection-piece to the subdentate ossicle (XIV) antero dorsal.