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Tag: helicoplacus

Cambrian Explosion Month #12: Phylum Echinodermata – Radial Revolution

While many of the earliest echinoderms had bizarre asymmetrical forms, at some point members of their lineage adopted radial symmetry instead – a development that would eventually lead to the familiar five-way symmetry of most modern species.

And they may have transitioned to that via three-way symmetry.

Continue reading “Cambrian Explosion Month #12: Phylum Echinodermata – Radial Revolution”
Author adminPosted on March 12, 2021March 12, 2021Categories cambrian explosion, paleoart, science illustration, theme monthsTags ambulacraria, animalia, bilateria, blastozoa, cambrian explosion, cambrian weirdos, deuterostome, echinoderm, eocrinoid, eumetazoa, guizhoueocrinus, helicoplacoidea, helicoplacusLeave a comment on Cambrian Explosion Month #12: Phylum Echinodermata – Radial Revolution

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