Screen 23: Calyptraeoidea
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| Calyptraea multilineatum (15 mm), colno 35302 Choptank Formation |
Calyptraea species (34 mm), colno 60772 Choptank Formation |
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| Crucibulum pileolum (28 mm), colno 22172 St. Marys Formation |
Crucibulum species (40 mm), colno 35594 St. Marys Formation |
| Next | Back to general survey collections |