Brachiopod May 2026

They are divided into two main groups: Inarticulates (no hinges, simple muscle systems) and Articulates (hinged with a complex system).

They use a specialized organ called a lophophore , a coil-shaped tentacle structure, to trap food, rather than gills. 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

Unlike bivalves (clams), where shells are mirror images of each other, brachiopod shells are top/bottom oriented and distinct, but each individual valve is symmetrical down the middle. 🔬 Biology and Lifestyle Unlike bivalves (clams), where

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

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

They are benthic (sea-floor dwellers) and sessile (permanently attached to the seafloor), generally filter-feeding.