image: Amphisbetia operculata. Light microscope micrograph showing paired hydrothecae, which are triangular in shape with a hair-like outer cusp.

Amphisbetia operculata (Linnaeus, 1758)
Light microscope micrograph showing paired hydrothecae, which are triangular in shape with a hair-like outer cusp. Photograph © Bernard Picton


 Bernard Picton (2026). Photograph of Amphisbetia operculata. (Linnaeus, 1758). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=museum-088. Accessed on 2026-11-03