Lithographic Plates from Kentucky Fossil Shells
Plate XXIII: Devonian gastropods
| Figure Number | Modern genus and species | 1889 Genus and species | Phyllum or Class | Age, etc. |
|---|---|---|---|---|
| 1-6, 12 | same as 1889 | Platyceras dumosum Conrad 1840 | gastropod | Devonian |
| 7, 8 | ? | Platyceras dumosum var. rarispinum Hall 1861 | gastropod | Devonian |
| 9, 11 | same as 1889 | Platyceras bucculentum Hall 1861 | gastropod | Devonian |
| 10 | same as 1889 | Platyceras symmetricum Hall 1861 | gastropod | Devonian |
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