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avatar_Halichoeres

Earliest tunicate with a mineralized exoskeleton

Started by Halichoeres, March 14, 2018, 06:41:36 PM

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Halichoeres

March 14, 2018, 06:41:36 PM Last Edit: July 14, 2019, 01:06:08 AM by Halichoeres
Tunicates (sea squirts, salps, and larvaceans) are the living sister group of the vertebrates. They're awesome but mostly kinda squishy, so fossils aren't terribly common. This paper describes multiple new species of the genus Khmeria and the new genus Zardinisoma, from the Triassic of Italy.

This is what a fossil sea squirt looks like:


Paper (open access, I think):
https://www.paleowire.com/just-out-the-first-tunicate-with-a-calcareous-exoskeleton-upper-triassic-northern-italy-palaeontology/
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