FIGURE 6. Argyrotheca jacksoni Cooper, 1973, Red Sea. A–B in New records of Recent Brachiopoda from the Red Sea with a description of a new species

FIGURE 6. Argyrotheca jacksoni Cooper, 1973, Red Sea. A–B. Dorsal views of complete specimens, A. SM 4A, NHMW 87192/GP/234, B. AB 24, NHMW 87192/GP/235. C. Ventral view of complete specimen, SM 4A, NHMW 87192/GP/236. D–E. Dorsal views of complete specimens, D. SM 6B, NHMW 87192/GP/237, E. SM 8B, NHMW 87192/GP/238. F–H. Ventral valve, SM 9A, NHMW 87192/GP/239. F. Inner view. G–H. Enlargement of posterior (G) to show details of the beak and of a tooth (H). I. Inner view of ventral valve, GZ 100/8, NHMW 87192/GP/240. J–M. Dorsal valves, SM 5B, J. NHMW 87192/GP/241, K–M. NHMW 87192/GP/242. J. Inner view. K. Inner view. L–M. Oblique and tilted views to show high median septum, short crura and crural processes. Scale bars: A–F, I–M, 500 µm; G, 200 µm; H, 100 µm. All SEMs.