FIGURE 4 in Revision of the brachiopod genus Amphithyris (Rhynchonelliformea: Platidiidae) with descriptions of two new species

FIGURE 4. Amphithyris parva MacKinnon, Hiller, Long & Marshall, 2008. A–F. Paratype NMNZ Br 1069. A. Dorsal valve interior showing absence of median septum. B. Close-up of dorsal interior with large amphithyrid foramen. C. Dorsal valve exterior with weak capillae. D. Ventral valve interior. E. Close-up ventral valve interior showing long straight hinge line. F. Ventral exterior with weak capillae. Scale bars = 200µm.