Drawing by Mary Parrish courtesy of the Smithsonian Institution
Fossils of Hallucigenia come with spikes on top, worm-like appendages on the bottom, and no clearly identifiable head. Hallucigenia has been a subject of debate ever since it was discovered.
Fossils of Hallucigenia come with spikes on top, worm-like appendages on the bottom, and no clearly identifiable head. Hallucigenia has been a subject of debate ever since it was discovered.
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