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.
A taxon is a group of organisms defined by particular reproductive, anatomical, or genetically determined similarities. Each taxon is named. Names are almost always unique, but sometimes the same name will be used inadvertently for both plant and animal orders, or for two, very distantly related animal families.