Discinoidea
Encyclopedia
Discinoidea is a sub-family in the brachiopod
s order Lingulida
.
Brachiopod
Brachiopods are a phylum of marine animals that have hard "valves" on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for protection...
s order Lingulida
Lingulida
Lingulida is an order of brachiopods....
.