Genus
Ceramophylla Ulrich, 1893
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1349-73 | Ceramophylla frondosa | Ceramophylla frondosa Ulrich, 1893 | Middle Ordovician | Black River (Decorah sh.) | ||||
| TUG 1349-74 | Ceramophylla frondosa | Ceramophylla frondosa Ulrich, 1893 | Middle Ordovician | Black River (Decorah sh.) | ||||
| TUG 1349-75 | Ceramophylla frondosa | Ceramophylla frondosa Ulrich, 1893 | Middle Ordovician | Black River (Decorah sh.) | ||||
| GIT 537-481 | Ceramophylla | Ceramophylla sp. | Idavere Substage |