image: Sertularella rugosa. Light micrograph showing barrel-shaped hydrothecae with pronounced horizontal ridges.

Sertularella rugosa (Linnaeus, 1758)
Light micrograph showing barrel-shaped hydrothecae with pronounced horizontal ridges. Photograph © Bernard Picton

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 Bernard Picton (2026). Photograph of Sertularella rugosa. (Linnaeus, 1758). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=museum-032. Accessed on 2026-11-03