Features a body that takes up less space inside the shell than a bivalve, with a complex lophophore filling most of the space. III. Classification and Key Subphyla
Survived all five mass extinctions.
Do you need to focus on a (e.g., Paleozoic vs. Mesozoic)? brachiopoda
Composed of calcium carbonate (articulates) or calcium phosphate and chitin (inarticulates). Features a body that takes up less space