They are divided into two main groups: Inarticulates (no hinges, simple muscle systems) and Articulates (hinged with a complex system).
They resemble ancient Roman oil lamps, especially the Terebratulida order. brachiopod
Here is a review of their significance, biology, and fossil record. 🌟 Key Takeaways They are divided into two main groups: Inarticulates
They are benthic (sea-floor dwellers) and sessile (permanently attached to the seafloor), generally filter-feeding. a coil-shaped tentacle structure
They use a specialized organ called a lophophore , a coil-shaped tentacle structure, to trap food, rather than gills.
Depending on species, they live between 3 to 30 years. 🦴 The Fossil Record What is a Brachiopod? (And Why You Should Care)
While decimated by the end-Permian mass extinction, they are not extinct, with ~400+ extant species. 🔬 Biology and Lifestyle