Compiled Family-Level Extant Phylogeny

 

This phylogeny is based off work done for the UC Museum of Paleontology in 2008. A work in progress, the objective is to complete the phylogeny to "family" for all extant groups, to order for extinct lineages. This is a multi-year task, and too big for one person. If you have a minute, please consider contributing to the project. Even just common name tags for nodes are very helpful!

Last Updated: 2014/07/16.
Updated Panarthropoda.

Systematics for this phylogeny: The following phylogeny consists of a well-accepted phylogenetic layout of animals, going until extant families. Low-level (i.e., more specific) nodes have common names first, with taxonomic names in parenthesis for ease of the general public. Placement of a node is based on a composite by the sources cited at the bottom, with the most recent publication taking precedence. The only non-peer reviewed source is the "Tree of Life" project, which itself cites its phylogenies; however, due to its dynamical nature, it is the last resource used.

A resolved phylogeny, even if speculative, is given priority to a phylogeny which contains polytomies.

How to use and read: To recollapse a portion of the tree, just click on it again. A "?" in front of a name indicates that its phylogenetic placement is uncertain, and a dagger () indicates that the node and all its descendants are extinct. A "*" indicates that the node is known to be paraphyletic, and "**" indicates that an uncertain number of its child nodes are known to be paraphyletic (though the main node is not). Three stars (***) indicate both of these conditions.

Searching for a node highlights its child nodes in a box. Making this more general is a work in progress.

Linking: Since this project is constantly expanding, links to a particular node may not be stable in the long run. For stable links, use the search function to get to a node you want, and use the resulting permalink.

 

Quicklinks: Collapse All | Expand All | Print View

Metazoa / Coelomata

Deuterosomes
Chordata
Vertebrata
Jawed Vertebrates (Gnathostomata)
Bony Vertebrates (Osteichthyes)
Fleshy-finned Vertebrates (Sarcopterygii)
Tetrapoda
    Lungfishes (Dipnoi)
    Ray-finned Fishes (Actinopterygii)
Neopterygii
Teleostei*
Elopocephala
Clupeocephala
Euteleostei
Neognathi
    Salmon and relatives (Salmoniformes)
    Otocephala
    Eels and relatives (Elopomorpha)
    Osteoglossomorpha
    Pachycormidae
    Cheirolepididae
    Cartilaginous 'Fishes' (Chondrichthyes)
Sharks and Rays (Neoselachii)
    Holocephali
    Jawless 'Fishes' (Agnatha)
    Tunicata
    Sea stars, urchins, and cucumbers (Echinodermata)
    Protostomes
Ecdysozoa
Panarthropoda
Arthropoda
Hexapoda
Chelicerata
Arachnidaspiders,scorpions
    Xiphosura
Myriapodacentipedes,millipedes
Crustaceacrustacean,shrimp,lobster,crab
    Trilobitomorpha
Onychophoravelvet worm
? Anomalocaridae
    Tardigradawater bear,tardigrade
    Roundworms (Nematoda)
    Lophotrochozoa
(Unnamed)
Snails, clams, squid, etc (Mollusca)octopus,oyster
    Segmented worms (Annelida)
    Flatworms and relatives (Platyzoa)

 

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