DNA_Decoded on Instagram: "Forget dinosaurs. Forget mammoths. Forget sharks. The real beginning of animal life looks nothing like what you’d expect. Meet Dickinsonia. 🕰️ 550 million years ago — before eyes, before bones, before predators — this strange, oval creature drifted across the ocean floor. It had no mouth. No brain. No face. No skeleton. Just a flat, ribbed body that absorbed nutrients straight from the seafloor like a living sponge. For decades, scientists couldn’t agree on what it wa