Fig. 24 in Silicified Mississippian brachiopods from Muhua, southern China: Rhynchonellides, athyridides, spiriferides, spiriferinides, and terebratulides

Fig. 24. Verneuiliid brachiopod Changshunella yangi Sun, Baliński, Ma, and Zhang, 2004 from the Tornaisian Muhua Formation, southern China. A. Ventral valve, PKUM02−0505, in posterior (A1), lateral (A2), and ventral (A3) views. B. Ventral valve, PKUM02−0506, in posterior (B1), anterior (B2), and ventral (B3) views. C. Dorsal valve, PKUM02−0507, in exterior (C1), lateral (C2), and posterior (C3) views. D. Dorsal valve, PKUM02−0508, viewed internally. E. Dorsal valve, PKUM02−0509, in exterior (E1) and posterior (E2) views. F. SEM micrograph of the dorsal valve, PKUM02−0510, interior showing cardinalia and accessory sockets (arrowed). G. SEM micrograph of the incomplete ventral valve, PKUM02−0511, viewed from the interior (antero−ventral view) showing partially preserved interarea and accessory denticles (arrowed). All from sample MH1. Scale bars 1 mm.