| Fig. | | Page |
| SURIRELLA |
| 1 | Surirella striatula Turpin | [125] |
| 2 | Surirella anceps Lewis | [128] |
| 3 | Surirella intermedia Lewis | [128] |
| 4 | Surirella arctissima A. S. | [128] |
| 5-6 | Surirella delicatissima Lewis | [128] |
| 7 | Surirella intermedia Lewis forma minor? | [128] |
| CYMATOPLEURA |
| 8-9 | Cymatopleura solea (Bréb.) Wm. Sm. | [129] |
