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Pentamerida is an order of biconvex, impunctate shelled, articulate brachiopods that are found in marine sedimentary rocks that range from the Middle Cambrian through the Devonian.
Art, Description & Palaeoecology
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pentamerids order class members skeletal interior posterior shells biconvex pentameridina syntrophiidina internal early diverging quite valve spondylium shell middle silurian
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Pentamerida | is a | order of biconvex | 0.90 | text |
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