Dorippidae MacLeay, 1838

Dorippe sinica Chen, 1980 (Fig. 9 A–E) and Medorippe lanata (Linnaeus, 1767) (Fig. 9 F)

The very small, paired pyloric ossicle (III) has an oval shape. The unpaired propyloric ossicle (VI) is inclined some 10–20° in the posterior direction, its U-shaped dorsal margin is sharp-edged. The pectinal ossicle (VIII) is horseshoe-shaped with one accessory tooth. The ossicles (XI and XIXa) are not recognisable.