Fig. 6. Orbaspina gelasinus n.gen. and n in A New Siphonotretid Brachiopod from the Silurian of Central-Western New South Wales, Australia

Fig. 6. Orbaspina gelasinus n.gen. and n.sp.: a–d, paratype AMF120612, ventral valve from sample BM 14.30, external view (a), detail of spines on anterior slope (b), detail of larval shell (c), internal view (d); e, f, paratype AMF120613, ventral valve from sample BM 14.30, internal view (e), detail of pseudointerarea (f); g, paratype AMF122213, ventral valve from sample BM 13.80, internal view, note the "listrum-like" plate covering the anterior portion of the pedicle track as indicated by arrow; h, paratype AMF122214, ventral valve from sample BM 9.90, external view showing common state of presentation of recovered ventral valves; i, paratype AMF122215, fragment from sample BM 9.30, external view. Scale bars = 500 µm (g); 100 µm (a, c–f, h, i); 10 µm (b).