They were the most common shelled macroinvertebrates in the Paleozoic era.

Here is a review of their significance, biology, and fossil record. 🌟 Key Takeaways

Depending on species, they live between 3 to 30 years. 🦴 The Fossil Record What is a Brachiopod? (And Why You Should Care)

They resemble ancient Roman oil lamps, especially the Terebratulida order.