what is the difference between genus and species names?
â¢ Genus is the first name, and the species is the second name of a scientific name of any organism. â¢ Genus ranks higher compared to species in the hierarchy of taxonomy. â¢ Two fertile animals from one species can produce a fertile progeny, whereas two animals from one genus could or could not do so.hese two are the lowest considerable taxonomic levels, but rank above subspecies or breeds or types. However, many used to confuse the two terms, genus and species. Before understanding the difference between the two, it is important to know the meanings of genus and species, and this article follows that.