What's more appetizing than a mouthful of fluffy feathers🪶? Not much, apparently, for a rare type of arthropod🪲 from the planet's remote past. Yum?
But despite the fact that arthropods and vertebrates have coexisted on the planet for over 500 million years — and despite the fact that their coexistence is typically thought to have had dramatic effects on their evolution of both — fossil evidence of symbioses between the two has been extraordinarily difficult to find.
This fossilized molt of a feather-feeding beetle larva was found in a piece of amber from the El Soplao outcropping in Spain. The length of the molt is less than one tenth of an inch. . “A flow of resin serendipitously captured that association and preserved it for millions of years.”The feathers, on the flip side, originated from an unspecified species of theropod dinosaur.
The fact that the fluff was detached from its host is important in determining the specific type of symbiosis between the feather-feeding beetles and the theropods, according to the team.
France Dernières Nouvelles, France Actualités
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