Wednesday, March 31, 2021

450-million-year-old sea creatures had a leg up on breathing

A new study has found the first evidence of sophisticated breathing organs in 450-million-year-old sea creatures. Contrary to previous thought, trilobites were leg breathers, with structures resembling gills hanging off their thighs.

from Latest Science News -- ScienceDaily https://ift.tt/3djDy0u
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