Tag Archives: sponge

Snowball Earth no problem for sponges

Posted on August 18, 2010 by Chris Rowan

Evidence from numerous sources seems to be converging to suggest that sponges – the first animals – emerged much earlier than the beginning of the Cambrian, and apparently sailed through severe climatic events in the Cryogenian without much trouble at all. Continue reading →

Categories: fossils, geology, paper reviews, past worlds, Proterozoic