Maryland Department of Natural Resources

Eocene Fossils

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Turbinolia acuticostata Crassatellites alaeformis Carpolithus marylandicus Meretrix ovata var pyga Venericardia planicosta var regia Modiolus alabamensis Ostrea compressirostra Globigerina bulloides Strepsidura subscalarina Calyptraphorus trinodiferus var. Corbula aldrichi Pleurotoma tysoni Dosiniopsis lenticularis Turritella mortoni Cucullaea gigantea
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Eocene

Fig. 1 Turbinolia acuticostata Vaughan
Fig. 2 Carpolithus marylandicus Hollick
Fig. 3 Meretrix ovata var pyga Conrad)
Fig. 4 Modiolus alabamensis Aldrich
Fig. 5 Ostrea compressirostra Say
Fig. 6 Globigerina bulloides D'orb. (greatly enlarged)
Fig. 7 Crassatellites alaeformis (Conrad)
Fig. 8 Crassatellites alaeformis (Conrad)
Fig. 9 Strepsidura subscalarina Heilprin
Fig. 10 Calyptraphorus trinodiferus Conrad var
Fig. 11 Corbula aldrichi Meyer
Fig. 12 Venericardia planicosta var regia Conrad
Fig. 13 Pleurotoma tysoni Clark & Martin
Fig. 14 Dosiniopsis lenticularis (Rogers)
Fig. 15 Cucullaea gigantea Conrad
Fig. 16 Turritella mortoni Conrad
Reference: Clark, W.B., et al., 1906, Volume VI, Maryland Geological Survey, Baltimore, MD