Oswaldella bifurca Hartlaub 1904 ...
Oswaldella bifurca Hartlaub, 1904 (Figs 1, 16 A, 17A, 19A) Material examined. United States Antarctic Research Program (USARP): Stn 32/2095, Eltanin, 3 February 1968, 76°04’– 76°05’S, 164°46’– 164°51’W (Ross Sea, center of sea), 513–550 m (USNM 1003302). Description. Monosiphonic, usually unbranched...
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| Format: | Text |
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Zenodo
2015
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| Online Access: | https://dx.doi.org/10.5281/zenodo.6107441 https://zenodo.org/doi/10.5281/zenodo.6107441 |
| Summary: | Oswaldella bifurca Hartlaub, 1904 (Figs 1, 16 A, 17A, 19A) Material examined. United States Antarctic Research Program (USARP): Stn 32/2095, Eltanin, 3 February 1968, 76°04’– 76°05’S, 164°46’– 164°51’W (Ross Sea, center of sea), 513–550 m (USNM 1003302). Description. Monosiphonic, usually unbranched stems, up to 60 mm high, divided into internodes. Angle between cauline apophyses and stem ca. 70°. Cauline apophyses with one or two axillary nematophores emerging through simple perisarc holes (Fig. 1 B–C). Hydrocladia much branched (Fig. 1 A); branching symmetrical, up to the fourth-order. First hydrocladial internode bifurcated, with two similar prongs (Fig. 1 A–B). Mesial superior nematophore emerging above adcauline hydrothecal wall. Mesial inferior nematophore located on a distinct elevation at lower third of internode; without nematotheca (Fig. 1 D–F). Distal hydrocladial internodes with sharp distal end (Fig. 1 A). Hydrothecae placed on basal half or third of hydrocladial internodes. Hydrotheca low, ... : Published as part of Molinero, A. González & Peña Cantero, A. L., 2015, SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus, pp. 401-441 in Zootaxa 4052 (4) on page 403, DOI: 10.11646/zootaxa.4052.4.1, http://zenodo.org/record/245887 ... |
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