Groups organisms by evolutionary relationships so that taxa reflect common ancestry.
Taxa should be monophyletic. Challenges: old names like 'Reptilia' exclude birds. Phylogenetic nomenclature may name clades without ranks.
Taxa are redefined as new data appear. Some traditional groups are abandoned. Compromise approaches keep familiar names.
Key idea: classification should reflect common descent.
Groups organisms by evolutionary relationships so that taxa reflect common ancestry.
Phylogenetic Classification is one of the 52 topics in Taxonomy & Biodiversity. It is rated Intermediate, so it suits learners who already know the core vocabulary. Related topics in this area include Kingdoms, PhyloCode, Taxonomy.
Crocodiles are closer to birds than to lizards.
Work through the Beginner topics in Taxonomy & Biodiversity first, such as Taxonomy, Binomial Nomenclature, Taxonomic Hierarchy, then return to Phylogenetic Classification. Intermediate topics assume the Beginner vocabulary.
The closest topics to Phylogenetic Classification are Kingdoms, PhyloCode, Taxonomy, Monophyletic Groups. Comparing them side by side is a good way to see how the ideas connect.
Read the summary and the in-depth section, then use the quick check on the interactive lesson for Phylogenetic Classification. To practise the whole of Taxonomy & Biodiversity, use the Taxonomy & Biodiversity quiz.
Phylogenetic Classification: Groups organisms by evolutionary relationships so that taxa reflect common ancestry. Kingdoms: Major groups of eukaryotes: animals, plants, fungi and protists, plus prokaryotes. Read both side by side and note what each one explains.
First, read the summary and write the definition in your own words. Second, read the in-depth section and note any example. Third, compare it with Kingdoms and explain the difference aloud. Finally, take the Taxonomy & Biodiversity quiz and come back to this page for any question you miss.
Major groups of eukaryotes: animals, plants, fungi and protists, plus prokaryotes.
🗂️ Taxonomy & BiodiversityA proposed rank-free nomenclature that names clades by their ancestry.
🗂️ Taxonomy & BiodiversityThe science of naming, describing and classifying organisms.
🗂️ Taxonomy & BiodiversityA group containing an ancestor and all of its descendants, called a clade.
🗂️ Taxonomy & Biodiversity