They are divided into two main groups: Inarticulates (no hinges, simple muscle systems) and Articulates (hinged with a complex system).
Depending on species, they live between 3 to 30 years. 🦴 The Fossil Record What is a Brachiopod? (And Why You Should Care) brachiopod
While decimated by the end-Permian mass extinction, they are not extinct, with ~400+ extant species. 🔬 Biology and Lifestyle They are divided into two main groups: Inarticulates
They were the most common shelled macroinvertebrates in the Paleozoic era. they are not extinct