Under the most widely used system of biological classification, known as the Linnean system, every taxon is then put into a hierarchy based on its taxonomic rank. The lowest level of ranking is ...

In the 10th edition of his Systema Naturae, published in 1758, he established a system of naming and organizing life that endures to this day — what we still call Linnaean taxonomy, although today’s ...

The PhyloCode also is NOT proposing to eliminate the taxonomic ranks (Kingdom, Phylum, Class, etc.), which stem largely from the work of Linnaeus (though there are some supporters of the PhyloCode ...

But the bedrock of that classification system, the taxonomic rank of “species,” isn’t nearly as solid as a foundation as we’d expect. I’m Rae Wynn Grant, and this is Crash Course Zoology!

We obtained 16S sequences from the Greengenes database, which extracts these sequences from public databases using quality filters as described previously (DeSantis et al., 2006). We only used ...