FIGURE 7 in SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus

FIGURE 7. Oswaldella grandis Peña Cantero, Svoboda & Vervoort, 1997. A, hydrocladial branching and disposition of hydrothecae; B–C, cauline apophysis with axillary nematophores and 'mamelons' (upper view); D–E, unforked hydrocladial internodes (D frontal view, E lateral view); F, detail of mesial inferior nematotheca. Scale bar: 400 µm (A), 100 µm (D–E), 40 (B–C) and 20 µm (F).