image: Symplectoscyphus tricuspidatus. Light microscope micrograph showing the three denticles on the rims of the hydrothecae and flask-shaped gonothecae with pronounced transverse ridges.

Symplectoscyphus tricuspidatus (Alder, 1856)
Light microscope micrograph showing the three denticles on the rims of the hydrothecae and flask-shaped gonothecae with pronounced transverse ridges. Photograph © Bernard Picton

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 Bernard Picton (2026). Photograph of Symplectoscyphus tricuspidatus. (Alder, 1856). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=museum-056. Accessed on 2026-11-03