Summary: | FIG. 3. Filellum antarcticum (Hartlaub, 1904). (A) General view of a dish-shaped coppinia; (B) detail of the two fused, dish-shaped structures protecting gonothecae; (C) detail of unforked defensive tubes; (D) egg; (E) egg and gonothecal apertures; (F) detail of gonothecal aperture. (All photographs from neotype.). Published as part of Cantero, A. L. Peña, Svoboda, A. & Vervoort, W., 2004, Antarctic hydroids (Cnidaria, Hydrozoa) of the families Campanulinidae, Lafoeidae and Campanulariidae from recent Antarctic expeditions with R.V. Polarstern, with the description of a new species, pp. 2269-2303 in Journal of Natural History 38 (18) on page 2283, DOI:10.1080/00222930310001647361, http://zenodo.org/record/5250382
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