Fig. 18 in Silicified Mississippian brachiopods from Muhua, southern China: Lingulids, craniids, strophomenids, productids, orthotetids, and orthids

Fig. 18. Aulostegoid brachiopod Muhuarina haeretica Baliński and Sun, 2005 from the Muhua Formation. A. Slightly damaged ventral valve, PKUM02−0290, in interior (A1), anterior (A2), lateral (A3, posterior to the left), and enlarged interior (A4) views; notice well preserved teeth (arrowed) and interarea. B. Shell, PKUM02−0046, in dorsal view. C. Incomplete juvenile ventral valve, PKUM02−0080, (posterior to top) cemented to the chonetoid shell; notice well preserved rhizoid spines and muscle platform (after Baliński and Sun 2008: fig. 1E). D. Incompletely preserved ventral valve, PKUM02−0047, in lateral view (posterior to the left) showing rhizoid spines (after Baliński and Sun 2008: fig. 1D). Sample M2−8 (A) and GB (B–D). Scale bars 0.5 mm.