Fossils Lacking a Phylum

The Cambrian explosion took place about 545 million ago, and during 5-10 million years of that period, huge numbers of multi-celled complex organisms appeared. Most of these animal forms proliferated to the organisms of today, which are the entire extant phylum.

Fossils Lacking a Phylum
Hyolithes cecrops
Cone-shaped animals thought to belong to the Phylum Mollusca

Fossils Lacking a Phylum
Tentaculites richmondensis
Phylum Problematica - meaning no one knows for sure

Contact Us
Home | Contributers | Policies | Links | Story of Our Name |  FAQs Why the Ads?  ¦   How Can I Help?   ¦

privacy policy