Sealife guideThe Comatulida orderThe taxonomy of marine species

Explore the taxonomy of marine echinoderms with a dedicated focus on starfish and sea urchins !
The class Crinoidea includes marine organisms that are fixed to a substrate, unlike all other echinoderm classes where the organisms are mobile. Depending on their attachment method, crinoids are divided into two groups: sea lilies and feather stars.

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Fou à pieds rouges (Sula sula)
Fou à pieds rouges
(Sula sula)