Polytylites is an extinct genus of ostracod (seed shrimp) belonging to the order Palaeocopida and family Amphissitidae.

[1][2] Specimens have been found in beds of Carboniferous[3] to Permian[4] age in North America[3] and Asia.

[5][1]

This Ostracod-related article is a stub.

You can help Wikipedia by expanding it.