側そく系けい統とう

noun, noun which may take the genitive case particle 'no'

paraphyletic

Technical term in biology and phylogenetics. Describes a group of organisms that includes a common ancestor and some, but not all, of its descendants.

• 爬は虫ちゅう類るいは側そく系けい統とう群ぐんの一いち例れいである。