Biologists have argued for more than 10 years over which animal group is the oldest, but a new analysis points the finger at the jellyfish-like ctenophores
Source: We may finally have figured out which group of animals evolved first | New Scientist
Biologists have argued for more than 10 years over which animal group is the oldest, but a new analysis points the finger at the jellyfish-like ctenophores
Source: We may finally have figured out which group of animals evolved first | New Scientist
Darwiniana 