Sentences with phrase «earliest phyla»

However, much to their surprise, the results also suggested that the earliest phyla, and the ancestors of all bilateral animal species (the so - called Bilateria), originated within the — geologically speaking — short time - span of 50 million years.

Not exact matches

In subsequent studies the researchers plan to analyze further relevant datasets in order to test different scenarios of the evolution of the earliest animal phyla.

It is often hypothsized that animal evolution established essentially all phylum - level body plans by the early Cambrian.