| Figure Number |
Modern genus and species |
1889 Genus and species |
Phyllum or Class |
Age, etc. |
| 1-6 |
? |
Cypricardites halli n. sp. |
pelecypod |
Ordovician |
| 7-13 |
Orthorhynchula linneyi (Nettleroth) |
Orthis linneyi n. sp. |
brachiopod |
Ordovician |
| 14-20 |
? |
Orthis borealis Billings 1859 |
brachiopod |
Ordovician |
| 21-25 |
? |
Zygospira kentuckiensis n. sp. |
brachiopod |
Ordovician |
| 26-29 |
Hiscobeccus capax (Conrad) |
Rhynchonella capax Conrad |
brachiopod |
Ordovician |
| 30 |
? |
Orthis flabellulum Sowerby 1839 |
brachiopod |
Silurian |
| 31-34 |
Stricklandia louisvillensis (Nettleroth) |
Stricklandinia louisvillensis n. sp. |
brachiopod |
Silurian |
| 35 |
? |
Cyrtia exporrecta var. arrecta Hall 1872 |
brachiopod |
Silurian |
