Parthenopidae MacLeay, 1838

Parthenope notialis Manning and Holthuis, 1981 (Fig. 8)

The propyloric ossicle (VI) is nearly vertical. The zygocardiac ossicle (V) has a semicircular impression antero ventral. The pectinal ossicle (VIII) is horseshoe-shaped with two accessory teeth. On the subdentate ossicle (XIV) there is a circular impression.