Paterinata is an extinct class of linguliform brachiopods which lived from the lower Cambrian ("Tommotian") to the Upper Ordovician (Hirnantian).

[1] Paterinides are notable for their high degree of convergent evolution with rhynchonelliform (articulate) brachiopods, which have a similar set of muscles and hinge-adjacent structures.

[2] The musculature of paterinides seemingly relied on a small number of broad muscles within the shell.

There are a pair of large triangular muscle scars near the hinge of the ventral valve, conjoining under the homeodeltidium.

A subtle pit was present at the tip of the homeochilidium, possibly hosting diductor muscles, which open the shell.