Has Taxonomy Changed over Time?

Scientific understanding of relationships among organisms has changed dramatically since the time of Linnaeus and classical taxonomy. ... Modern taxonomy seeks to represent animal groups in a system that reflects an understanding of their evolutionary relationships – so “Class” Aves comes to sit within “Class” Reptilia.

How did taxonomy develop?

Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus. This module, the first in a two-part series on species taxonomy, focuses on Linnaeus' system for classifying and naming plants and animals.

Which level of taxonomy is new and was added to the system in the 1990's?

In the mid-1990s, an entirely new level was added to the hierarchy at the very top. This happened because scientists learned that the Kingdom Prokaryotae contained two very different types of organisms.