Amphithyris is a genus of brachiopods belonging to the family Platidiidae.

The species of this genus are found worldwide, but several occur around Australia and New Zealand.

Species:

Amphithyris buckmani Amphithyris cavernicola Amphithyris comitodentis Amphithyris hallettensis Amphithyris parva Amphithyris richardsonae Amphithyris seminula

References