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Urbilateria

auteur: Illustration Grégoire Cirade/Novapix

référence: t-glb99-00030

Image Size 300 DPI: 17 * 12 cm

Artwork showing an urbilateria, the hypothetical last common ancestor of all bilaterians (all animals having a bilateral symmetry). Urbilateria could have lived 600 million-years ago.

Keywords for this photo:

3D - ANIMAL - EARTH - EVOLUTION - FAUNA - HISTORY OF EARTH - ILLUSTRATION - PALEONTOLOGY - PRECAMBRIAN - PROTEROZOIC - URBILATERIA - ZOOLOGY -