Fig. 15 in The Hirnantian (Late Ordovician) brachiopod fauna of the East Baltic: Taxonomy of the key species

Fig. 15. Meristellid brachiopods of the genus Hindella from Porkuni Regional Stage, East Baltic, Kuldiga Formation, western Latvia (A–C, E, F) and Ärina Formation, northern Estonia (D). A, E, F. Hindella cf. crassa incipiens (Williams, 1951). A. Ventral valve, GIT 542-273, Aispute-41, depth 991.0 m, exterior (A 1), lateral (A 2), posterior (A 3), and anterior (A 4) views. E. Incomplete dorsal valve, GIT 542-278, Aispute-41, 991.0 m, interior view. F. Incomplete ventral valve, GIT 542-35, Stirnas-18, 907.5 m, interior view. B, C. Hindella sp. B. Ventral valve, GIT 542-34, Stirnas-18, 908.2 m, lateral (B 1) and exterior B 2) views. C. The bedding plane with brachiopods, including Hindella sp., GIT 542-4 (figured in Kaljo et al. 2008), Aispute-41, 998.25 m. D. Hindella cf. cassidea (Dalman, 1828), shell, GIT 542-267, erratics from the Kõnnu village, dorsal (D ) and posterior (D ) views. Scale bars 5 mm.