FIGURE 13 in SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus

FIGURE 13. Oswaldella stepanjantsae El Beshbeeshy, 1991. A, hydrocladial branching and disposition of hydrothecae; B–C, cauline apophysis showing axillary nematophores and 'mamelons' (note the presence of much-reduced nematothecae in B); D– E, unforked hydrocladial internodes (D frontal view, E lateral view); F–G, detail of mesial inferior nematotheca (F lateral view, G frontal view); H, gonotheca. Scale bar: 400 µm (A), 60 µm (B), 40 µm (C), 100 µm (D–E), 20 µm (F–G), 200 µm (H).