Hagfish
Evolutionary Tree
New information about the hagfish is changing how scientists see the evolutionary tree for vertebrate species.
https://www.npr.org/2010/07/05/127937070/the-human-edge-finding-our-inner-fish
To me, the hagfish, especially the eptatretus, looks like the start of a mammal colon/intestine. It makes me wonder if the primary evolution of the human being started with the stomach.
