Fair enough. But this whole thing was started from this article which came out earlier this year. It may seem obvious, but people are still making this mistake. www.nature.com/articles/d41...
nature.com
What were the first animals? The fierce sponge–jelly battle that just won’t end
For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are calling for a more harmonious approach.