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Brachiopoda Mud-Ball 3D Model
CMNH 14182 Brachiopoda balls
Late Devonian (Famennian)
Locality: Brecksville, Cuyahoga Co., OH
Collected by Janevski, Kaspar, and Doxey with the CMNH
Brachiopods are a form of bivalve, any shell-bearing organism with two, concave shell haves that clamp together. Brachiopods form a brachial and pedicle valve, the latter being attached to a stalk or pedicle which ties the organism to the seafloor. The head of the brachiopod suspends itself above the seafloor, filter feeding any food which may float near it. Brachiopods are divided into two large categories based on the mechanism which holds the two valves together. Inarticulata valves are mainly held together by various muscles, while Articulata utilized a hinging system of teeth and sockets. (Barbara Schwimmer and Michael Sandy 1996, “Phylum Brachiopoda.”)