Screen 18: Muricoidea
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| Ecphora quadricostata (69 mm), colno 53005 St. Marys Formation |
Ecphora quadricostata (68 mm), colno 54918 Choptank Formation |
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| Ecphora rikeri (34 mm), colno 21019 Choptank Formation |
Ecphora smithae (34 mm), colno 35566 Choptank Formation |
| Next | Back to general survey collections |