Screen 25: Bulloidea, Nuculoidea, Arcoidea
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| Retusa species (4 mm), colno 48231 St. Marys Formation, Little Cove Point Member |
Nucula densata (3 mm), colno 48238 St. Marys Formation, Little Cove Point Member |
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| Dallarca elnia (36 mm), colno 35324 Choptank Formation |
Dallarca elnia (60 mm), colno 48136 Choptank Formation, Drum Cliff Member |
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