<I>Xyloplax</I> Embryos (IMAGE)
Caption
Scientists leveraged computer systems at the Ohio Supercomputer Center to help support their contention that class-level status of Xyloplax does not reflect their evolutionary history. This female specimen was collected along the Juan de Fuca Ridge off the coast of the state of Washington; it measures 4 mm in diameter (less than .25 inch) and shows brooded embryos.
Credit
Ben Grupe/Scripps Institution of Oceanography, University of California, San Diego
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