Plate XXVIII: Silurian brachiopods
Figure Number |
Modern genus and species |
1889 Genus and species |
Phyllum or Class |
Age, etc. |
1-4 |
Rhipidium knappi (Hall) |
Pentamerus knappi Hall 1872 |
brachiopod |
Silurian |
5-8 |
? |
Pentamerus nysius var. crassicostus Hall 1875 |
brachiopod |
Silurian |