Screen 48: Mytiloidea, Pterioidea, Ostreoidea
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| Crenella ecuadoriana santiaga (3 mm), colno 23533 Gatun Formation |
Pteria species (5 mm), colno 26153 Gatun Formation |
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| Ostrea equestris heothina (36 mm), colno 23554 Gatun Formation |
Crassostrea cahobasensis (155 mm), colno 26906 Gatun Formation |
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