Best Stalked
Calvadosia cruxmelitensis, also called St John's jellyfish, is a species of stalked jellyfish in the class Staurozoa. It inhabits moderately exposed rocky shores in the lower intertidal and shallow sublittoral zones of southwestern England and the Atlantic coast of Ireland, often attached to red alg...
Why this score?
Maltese-cross form gives memorable morphology; niche but appealing staurozoan reputation.
Scoring methodology
Lucernaria quadricornis is a species of stalked jellyfish in the class Staurozoa. It lives attached to hard or stable substrates in cold Arctic and subarctic coastal waters rather than drifting freely through the open sea. A stalk anchors the animal, while the bell's marginal lobes and tentacles hel...
Why this score?
Cold-water stalked jellyfish with distinctive tentacle clusters; specialist interest, limited public reach.
Scoring methodology
Depastrum cyathiforme is a marine stalked jellyfish in the class Staurozoa and the sole species of the genus Depastrum. Its body is attached to the seabed by a stalk and expands into a cup-shaped calyx bearing groups of tentacles around the margin. Records place it in the northeastern Atlantic, incl...
Why this score?
Cup-shaped stalked jellyfish with regional European records; obscure outside specialists.
Scoring methodology
A rare stalked jellyfish first described from the Mediterranean Sea, regarded as one of the least-studied and least-collected species within order Staurozoa.
Why this score?
Rare Mediterranean staurozoan with taxonomic interest; very limited consensus footprint.
Scoring methodology
Prasiola stipitata is a small green alga recorded from rocky intertidal habitats in the northeastern Atlantic and around Britain and Ireland. Its flat, dark-green frond narrows into a distinct stem-like stipe, giving the species a form that separates it from many other small green seaweeds. It is as...
Sporochnus pedunculatus is an erect, branched brown alga in the order Sporochnales and family Sporochnaceae. It is recognized by numerous short, stalked, club-shaped fertile receptacles along the branches, each ending in a tuft of pigmented hairs. The species grows on rocks, gravel, shells, seagrass...
