FIGURE 3. Staurotheca antarctica Hartlaub, 1904 in Benthic hydroids (Cnidaria: Hydrozoa) from off George V Coast (East Antarctica)

• Main Authors: Peña Cantero, Álvaro L., Marzal, Marina Fresneda
• Format: Still Image
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Sertulariidae; Staurotheca; Antarctoscyphus; Symplectoscyphus; Haleciidae; Halecium; Lafoeidae; Abietinella; Halopterididae; Schizotricha; Kirchenpaueriidae; Oswaldella; East Antarctica; George V Coast; Ritchie; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.1301932; https://zenodo.org/record/1301932

FIGURE 3. Staurotheca antarctica Hartlaub, 1904: A, hydrothecae. Staurotheca nonscripta Peña Cantero, Svoboda & Vervoort, 1997: B, hydrotheca. Staurotheca pachyclada (Jäderholm, 1904): C, hydrotheca. Antarctoscyphus spiralis (Hickson & Gravely, 1907): D, internode with hydrotheca showing intrathecal cusps (arrow). Symplectoscyphus glacialis (Jäderholm, 1904): E, internode with hydrotheca. Halecium interpolatum Ritchie, 1907: F, incipient stem with distal hydrotheca (arrow pointing to characteristic long and straight basal part of internode). Abietinella operculata (Jäderholm, 1903): G, hydrotheca (arrow pointing to disc-shaped operculum) and nematotheca (arrow). Schizotricha nana Peña Cantero, Svoboda & Vervoort, 1996: H, unforked hydrocladial internodes showing hydrothecae and nematothecae. Oswaldella erratum Peña Cantero & Vervoort, 1997: I, hydrocladial internode showing hydrotheca and mesial inferior nematotheca (arrow). Scale bars: 200 µm. : Published as part of Peña Cantero, Álvaro L. & Marzal, Marina Fresneda, 2018, Benthic hydroids (Cnidaria: Hydrozoa) from off George V Coast (East Antarctica), pp. 121-136 in Zootaxa 4441 (1) on page 129, DOI: 10.11646/zootaxa.4441.1.7, http://zenodo.org/record/1301927