CINCINNATI -- He was known as The Cobra. Dave Parker was an intimidating force when he wielded that 37-ounce bat during the 1970s and '80s for six Major League teams, including the Pirates and Reds.
The taxon of aquatic animals is a taxon. A clade is a monophyletic taxon or monophyletic group if you prefer. A monophyletic taxon (or a clade) is defined as a taxon that contains only all descendants of a common ancestor and the common ancestor.
Image caption: A clade is a grouping that includes a common ancestor and all the descendants (living and extinct) of that ancestor. Using a phylogeny, it is easy to tell if a group of lineages forms a clade.Imagine clipping a single branch off the phylogeny  all of the organisms on that pruned branch make up a clade.mage caption: A clade is a grouping that includes a common ancestor and all the descendants (living and extinct) of that ancestor. Using a phylogeny, it is easy to tell if a group of lineages forms a clade.