Maryland Department of Natural Resources

Miocene Fossils

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Carcharias (Prionodon) egertoni Oliva litterata Echphora quadricostata Fulgur fusiforme Surcula biscatenaria Columbella (Astyris) communis Turritella plebeia Isocardia markoëi Chione alveata Venericardia granulata Scutella aberti Spisula (Hemimactra) subponderosa Mactra clathrodon Mangilia parva Arca (Scapharca) staminea Asaphis centenaria Pecten (Chlamys) madisonius Astrangia lineata
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Miocene

Fig. 1 Carcharias (Prionodon) egertoni (Agassiz)
Fig. 2 Oliva litterata Lamarck
Fig. 3 Echphora quadricostata (Say)
Fig. 4 Fulgur fusiforme Conrad
Fig. 5 Surcula biscatenaria Conrad
Fig. 6 Columbella(Astyris)communis (Conrad)
Fig. 7 Turritella plebeia Say
Fig. 8 Mangilia parva (Conrad)
Fig. 9 Mactra clathrodon Lea
Fig. 10 Arca (Scapharca) staminea Say
Fig. 11 Isocardia markoëi Conrad
Fig. 12 Spisula (Hemimactra) subponderosa (D'orb)
Fig. 13 Asaphis centenaria (Conrad)
Fig. 14 Chione alveata (Conrad)
Fig. 15 Pecten (Chlamys) madisonius Say
Fig. 16 Venericardia granulata Say
Fig. 17 Scutella aberti Conrad (lateral view)
Fig. 18 Astrangia lineata (Conrad)
Reference: Clark, W.B., et al., 1906, Volume VI, Maryland Geological Survey, Baltimore, MD