A 500-million-year-old fossil reveals an ancestor of modern tunicates, shedding light on our evolutionary history. 🦴 Evolution
Megasiphon thylakos,
. “It’s so rare to find not just a tunicate fossil, but one that provides a unique and unparalleled view into the early evolutionary origins of this enigmatic group.”, which includes animals with backbones — making them the closest relatives to vertebrates compared to other invertebrates. For this reason, researchers are interested in studying them in the hopes that it may reveal more about the evolutionary origins of humans.
“There's essentially nothing for this group [tunicates] that's very ecologically successful in modern oceans. We have very little of direct evidence of what they used to look like in Earth’s distant past, so the fact that there's one specimen of this one group of animals that's very successful today is a huge surprise in and of itself,” says Nanglu.. But Nanglu argues that this one is the most well-preserved.
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