Tag: crown group
Fossil Friday: The Abrupt Origin of Insectivore Mammals
We can conclude that Eulipotyphla appeared abruptly in the Paleocene about 66-61.7 million years ago.
Fossil Friday: Jellyfish Body Plan and Life Cycle Originated in the Cambrian Explosion
Remarkably, these animals can be placed within the crown group of the living cnidarian clade Medusozoa, which is not exactly what Darwinists should expect.