Supertaxon refers to a group of organisms that includes lower taxa within it. Synonyms for this word include Macro taxon, Super phylum, Mega taxa, Uber taxon and Master taxon. These terms can be used interchangeably to describe a broad group of species that share similar traits and characteristics. Supertaxa are an important concept in biological classification and are commonly used in the fields of evolutionary biology and paleontology. They help biologists to understand the relationships between different groups of organisms and how they evolved over time. Overall, Supertaxon is a fascinating topic for research and study in the life sciences.