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Phylogeny of the echinoderms
A cladogram in the sand depicts the evolutionary relationships between the five classes of echinoderms: asteroidea (sea stars), ophiuroidia (brittle stars), echinoidea (sea urchins and sand dollars), holothuroidea (sea cucumbers), and crinoidea (sea lillies and feathers).

Tags

ophiuroidia, holothuroidea, phylogeny, sea, star, feather, lily, evolution, science, starfish, urchin, biology, cucumber, crinoidea, asteroidea, brittle, echinoidea

Comments

  • CiaLundTorroll
    CiaLundTorrollabout 4 years ago

    Lovely.

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