Comb jellies are found all around the world in ... Ctenophores are one of, if not the, oldest animals on Earth — quite possibly a sister to all other animals in the tree of life, so “they ...

The authors of the study made the discovery by exploring the genomes of many of the oldest branches on the animal family tree, including comb jellies like the 'sea walnut' (Mnemiopsis leidyi ...

he routinely walked down to the water, scanning for comb jellies. "They look like a jellyfish," he says, "but they're completely different." It's a blob the size of a silver dollar with little ...

"Comb jellies may be the oldest animal group that exists and so they provide a unique opportunity to study basic but fundamental aspects of how animals move and interact in the world." ...

Whether comb jellies are older than sponges in the tree of life is a longstanding debate in evolutionary biology circles, but the study demonstrates that distal regulation arose at least one ...