Oswaldella delicata Peña Cantero, Svoboda & Vervoort, 1997

Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), Zootaxa 4570 (1), pp. 1-78 : 46

Oswaldella delicata Peña Cantero, Svoboda & Vervoort, 1997

( Fig. 16 k–l)

Material examined. ANT XXI/2: PS65/278, one stem, c. 10 mm high, on H. arboreum .

Ecology and distribution. Previously found at depths between 126 ( Peña Cantero 2008) and 440 m ( Peña Cantero et al. 1997a); present material at 119– 120 m. West Antarctic distribution ( Peña Cantero & Vervoort 2004).

Figures

FIGURE 16. a–e Oswaldella erratum: a stem; b cauline apophysis showing nematophore; c hydrotheca in lateral view; d hydrotheca in frontal view; e female gonotheca. f–j O. rigida: f cauline apophysis showing nematophore; g hydrotheca in lateral view; h hydrotheca in frontal view; i stem; j detail of the stem showing hydrocladial arrangement. k-l O. delicata: k hydrotheca in lateral view; l hydrotheca in frontal view