FIGURE 11 in SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus

FIGURE 11. Oswaldella rigida Peña Cantero, Svoboda & Vervoort, 1997. A, hydrocladial branching and disposition of hydrothecae; B, cauline apophysis with axillary nematophores and branched hydrocladium; C, detail of cauline apophysis showing axillary nematophores; D–E, unforked hydrocladial internodes (D lateral view, E frontal view); F, detail of mesial inferior nematotheca; G, detail of hydrothecal aperture and mesial superior nematophore. Scale bar: 800 µm (A), 100 µm (B, D– E) and 10 µm (C–F).