Fig. 31 in Silicified Mississippian brachiopods from Muhua, southern China: Rhynchonellides, athyridides, spiriferides, spiriferinides, and terebratulides

Fig. 31. Delthyridoid brachiopod Tylothyris laminosa (M'Coy, 1841) from the Tornaisian Muhua Formation, southern China. A, B. Exterior of ventral (A) and dorsal (B) valves, PKUM02−0557 (A) and PKUM02−0558 (B). C. Ventral valve, PKUM02−0559, in exterior (C1), interior (C2), and lateral (C3) views. D. Detail of external shell micro−ornamentation, PKUM02−0560. E, F. Interior of two dorsal valves, PKUM02−0561 (E) and PKUM02−0562 (F), in general (E1, F1) and enlarged (E2, F2) views. G. Dorsal valve, PKUM02−0563, in exterior (G1) and interior (G2) views. H. Exterior of dorsal valve, PKUM02−0564. I. Slightly damaged ventral valve, PKUM02−0565, in anterior (I1) and enlarged (I2) views; SEM micrographs. J. Juvenile ventral valve, PKUM02−0566, in exterior (J1) and interior (J2) views. K. Exterior of juvenile ventral valve, PKUM02−0567. L. Incomplete dorsal valve, PKUM02−0568, with well preserved lamellose ornamentation, in general (L1) and detailed (L2) views. All from sample MH1.