Remarkably, these animals can be placed within the crown group of the living cnidarian clade Medusozoa, which is not exactly what Darwinists should expect.
“It looked like a fern. But as a budding geologist, [UK teenager Tina] Negus knew these 600 million year old rocks were too old to host such a plant.”
Less time and more complexity are compressed into an impossible challenge for evolution.
It would be surprising, under an evolutionary view, to find such a complex system in the earliest animal fossils.
It must be good if engineers want to copy it. Siphonophores are colonial animals that have mastered the sport of synchronized swimming.