Fig. 19 in Brachiopods and their response to the Early-Middle Frasnian biogeochemical perturbations on the South Polish carbonate shelf

Fig. 19. Spiriferid brachiopods from the Frasnian of Wietrznia and Dębnik. A, B. Thomasaria ventosa sp. nov., ZPAL Bp 60/10 (A) and GIUS 4−273 Wt/IM−3 (B), two complete shells (A—holotype) from the middle Wietrznia Beds of Wietrznia Ie (A) and Id−W (B) in dorsal (A1, B1), ventral (A2, B2), lateral (A3, B3), posterior (A4, B4), and anterior (A5, B5) views. C. Thomasaria sp., ZPAL Bp 60/16, incomplete shell from the Nodular Limestone (Palmatolepis hassi Zone) of Dębnik in dorsal (C1), ventral (C2), lateral (C3), posterior (C4), and anterior (C5) views. D. Warrenella (Warrenella) euryglossa (Schnur, 1951), ZPAL Bp 60/6, slightly damaged shell from the middle Wietrznia Beds of Wietrznia Ie in dorsal (D1), ventral (D2), lateral (D3), posterior (D4), and anterior (D5) views.