The worst problem in the search for the oldest animal fossils is mistaken identity.


The Emergence of Animals: The Cambrian Breakthrough, Chapter III (p. 31), Columbia University Press. 1990


The worst problem in the search for the oldest animal fossils is mistaken identity.

The worst problem in the search for the oldest animal fossils is mistaken identity.

The worst problem in the search for the oldest animal fossils is mistaken identity.

The worst problem in the search for the oldest animal fossils is mistaken identity.