Rugosochonetidae is an extinct family of

brachiopod Brachiopods (), phylum (biology), phylum Brachiopoda, are a phylum of animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear e ...

s in the extinct order

Productida Productida is an extinct order of brachiopods in the extinct class Strophomenata. Members of Productida first appeared during the Silurian. They represented the most abundant group of brachiopods during the Permian The Permian ( ) is a geolog ...

References

External links

* * Prehistoric protostome families Brachiopod families Productida Devonian first appearances Early Triassic extinctions {{brachiopod-stub