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

Sertularella tenella 
Light micrograph showing barrel-shaped hydrothecae with horizontal ridges. Photograph © Bernard Picton


 Bernard Picton (2026). Photograph of Sertularella tenella. . [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=museum-043. Accessed on 2026-11-04