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An exquisitely preserved in-ovo theropod dinosaur embryo sheds light on avian-like prehatching postures: iScience

https://www.cell.com/iscience/fulltext/S2589-0042(21)01487-5

Dinosaur embryo discovery: rare fossil suggests dinosaurs had similar pre-hatching posture to modern birds

https://theconversation.com/dinosaur-embryo-discovery-rare-fossil-suggests-dinosaurs-had-similar-pre-hatching-posture-to-modern-birds-174040

Impeccably preserved dinosaur embryo looks as if it 'died yesterday' | Live Science

https://www.livescience.com/dinosaur-embryo-fossil-egg-discovered

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