A cool interaction: a fossil of a smaller mammal with its teeth in a larger dinosaur.
"A new fossil described this week captures two intertwined animals caught in a life-or-death struggle right before both were entombed in a volcanic event."
https://arstechnica.com/science/2023/07/caught-in-the-act-mammal-found-with-teeth-sunk-in-a-much-larger-dinosaur/
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