Mostly marine, benthic (bottom-dwelling), and sessile (attached to the sea floor).
Frequently used by paleontologists to date rock layers (e.g., in the Devonian) and understand Paleozoic marine evolution. V. Ecology and Modern Distribution
Brachiopods represent one of the most persistent and successful lineages in Earth's history. brachiopoda
Do you need to focus on a (e.g., Paleozoic vs. Mesozoic)?
Gigantoproductus (large Carboniferous form). brachiopoda
A stalk extending from the ventral valve used for attaching to substrate.
Abundant in shallow marine environments during the Paleozoic era. brachiopoda