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Brachiopods are marine invertebrates characterized by their two-part shell, which is typically symmetrical and can resemble bivalves but is structurally distinct. They possess a lophophore, a specialized feeding structure that helps them filter food from water. Unlike bivalves, brachiopods have a dorsal and ventral valve rather than a left and right valve, and they anchor themselves to the substrate using a stalk called a pedicle. These characteristics, along with their long fossil record dating back to the Cambrian period, highlight their unique evolutionary position within the animal kingdom.

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2mo ago

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Brachiopods are related to Brachiopods, they exist in the modern day just not as abundantly as in the past.


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Most brachiopods became extinct about 250 million years ago during the P-T Extinction period. Modern day brachiopods do still exist in the form of lingula.


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Brachiopods are marine animals with two distinct shells, or valves, that are typically symmetrical and resemble bivalve mollusks, but they are not closely related. Their shells can be fan-shaped, rounded, or elongated, and they often display intricate patterns and textures. Inside, brachiopods have a lophophore, a specialized feeding structure, which they use to filter food from the water. They are usually found anchored to the seafloor by a stalk, giving them a unique appearance compared to other shellfish.


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