Figure 14. A–B in Middle to Late Ordovician (Darriwilian-Sandbian) Conodonts from the Dawangou Section, Kalpin Area of the Tarim Basin, Northwestern China

Figure 14. A–B, Histiodella holodentata Ethington & Clark, 1982. Pa element, A, NIGP 152962, Nj296, outer lateral view (IY149-023); B, NIGP 152963, Nj296, inner lateral view (IY149-024). C–F, Histiodella kristinae Stouge, 1984. Pa element; C, NIGP 152964, AFT-X- K13/13, outer lateral view (IY163-001); D, NIGP 152965, AFT-X-K13/13, inner lateral view (IY163-005); E–F, NIGP 152966, AFT-X- K13/13, E, outer lateral view (IY163-003), F, outer lateral view, close up showing fine surface striation (IY163-004). G–L, Panderodus gracilis (Branson & Mehl, 1933). G–I, tortiform element, NIGP 152967, Nj379, G, outer lateral view (IY160-024), H, outer lateral view showing furrow and fine striation on the base (IY160-025), I, inner lateral view (IY160-026). J–L, falciform element, NIGP 152968, Nj379, J, inner lateral view (IY160-027), K, outer lateral view (IY160-028), L, basal view (IY160-029). Scale bars 100 µm.