Fig. 33 in Silicified Mississippian brachiopods from Muhua, southern China: Rhynchonellides, athyridides, spiriferides, spiriferinides, and terebratulides

Fig. 33. Spiriferinidine brachiopod Spiriferellina cf. insculpta (Phillips, 1836) from the Tornaisian Muhua Formation, southern China. A. Ventral valve, PKUM02−0578, in exterior (A1) and interior (A2) views. B, C. Two incomplete dorsal valves, PKUM02−0579 (B) and PKUM02−0388 (C, same as in Fig. 7B), in exterior (B1, C1) and interior (B2, C2) views, and enlargement of cardinalia (C3). D. Ventral valve, PKUM02−0580, in exterior (D1), interior (D2), and posterior (D3) views. Sample MH2 (A, B, D) and GB (C). Scale bars 2 mm.