Membraniporidae Busk, 1854
Synaptacella asymmetrica Maplestone, 1911
Synaptacella crassimarginata Maplestone, 1911
Synaptacella dennanti Maplestone, 1911
Synaptacella gibbosa Maplestone, 1911
Synaptacella ovalis Maplestone, 1911
Synaptacella recta Maplestone, 1911
