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Fig. 5A–C. | Helgoland Marine Research

Fig. 5A–C.

From: Stephanthus antarcticus, a new genus and species of sea anemone (Actiniaria, Haloclavidae) from the South Shetland Islands, Antarctica

Fig. 5A–C.

Stephanthus antarcticus gen. nov., sp. nov. (Holotype ZHM C11680). A Detail of cross section showing a second cycle mesentery; note the distinct parietobasilar musculature, the diffuse retractor musculature and the developing spermatic vesicles. B Cross section through a tentacle showing the ectodermal longitudinal musculature; note the subepidermical nerve plexus. C Longitudinal section through the proximal part of the mesenteries showing the absence of basilar musculature. Abbreviations: ep epidermis, ga gastrodermis, me, mesogloea, np, nerve plexus, pb, parietobasilar musculature, rm, retractor musculature, sv, spermatic vesicles. Scale bars: A 1 mm; B, C 0.5 mm

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Helgoland Marine Research

ISSN: 1438-3888

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