A genus (plural, genera) is a category in biological classification, referring to groups of species that are closely related phylogenetically (that is, through their evolutionary history) and share many elements of their morphology, biochemistry, and...

Biological classification. It ranks below family and above species, consisting of structurally or phylogenetically (&see; phylogenetic tree) related species or a single species exhibiting unusual differences. For example, the species of roses...

A group of closely related species of organisms. The genus is given as the first part of a scientific...

A classification of organisms defined together as a group by broad similarities. A genus can be sub-divided into...

For other uses, see Genus (disambiguation). various levels of the biological classification system. rect 100 27 225 68 Species rect 100 90 225 132 Genus rect 100 154 225 196 Family...