One who studies or creates a taxonomy.

plural of taxonomer

(taxonomy) A coherent system of taxonomic judgements on circumscription and placement of the considered taxa. A taxonomic system is restricted to a large but limited part of the living world.

(biology) An increase in the number of species that is not caused by new discoveries, but by changes in the classification of existing organisms.

plural of taxonomic system

(biology) A name, Latin in form, used to identify, in principle unambiguously, an organism (or group of organisms), formerly usually based solely on shared morphological feature, now usually on hypothesized common evolutionary descent.

A terminal node in phylogenetic analysis; an organism.

An internal node in phylogenetic analysis; an inferred ancestral organism.

plural of hypothetical taxonomic unit

plural of operational taxonomic unit