Taxonomy
The tree of 2,335 species
9 phyla, 23 classes and 176 orders, from fruit flies to bowhead whales. Zoom into any branch to read every species. The outer ring shows each species’ lifespan, GC content or genome size, so you can see where long lives cluster.
Outer ring: Maximum lifespan, log scale
Each ring is one rank. Scroll or use + and − to zoom, drag to move; select a group to zoom into it, a species to open it.
Every phylum, class and order
Browse the taxonomy
Open a class to see its orders. Every name links to a page with its species, lifespans and the mtDNA features that track lifespan.
Chordata
Ray-finned fishesActinopterygii895
Actinopterygii: class page
- Perciformes220
- Cypriniformes136
- Clupeiformes42
- Unknown order41
- Salmoniformes36
- Pleuronectiformes35
- Siluriformes25
- Centrarchiformes24
- Scombriformes24
- Carangiformes22
- Spariformes22
- Acipenseriformes21
- Gadiformes20
- Cyprinodontiformes17
- Gobiiformes16
- Lutjaniformes16
- Anguilliformes14
- Osmeriformes14
- Syngnathiformes14
- Labriformes10
- Tetraodontiformes9
- Acanthuriformes7
- Mugiliformes7
- Atheriniformes6
- Characiformes6
- Gasterosteiformes6
- Beloniformes5
- Cichliformes5
- Esociformes5
- Istiophoriformes5
- Aulopiformes4
- Myctophiformes4
- Osteoglossiformes4
- Scorpaeniformes4
- Zeiformes4
- Acropomatiformes3
- Percopsiformes3
- Uranoscopiformes3
- Beryciformes2
- Chaetodontiformes2
- Elopiformes2
- Ephippiformes2
- Galaxiiformes2
- Holocentriformes2
- Kurtiformes2
- Lepisosteiformes2
- Lophiiformes2
- Polypteriformes2
- Priacanthiformes2
- Semionotiformes2
- Albuliformes1
- Amiiformes1
- Anabantiformes1
- Argentiniformes1
- Caproiformes1
- Gerreiformes1
- Gonorynchiformes1
- Gymnotiformes1
- Lampriformes1
- Lobotiformes1
- Notacanthiformes1
- Synbranchiformes1
MammalsMammalia627
Mammalia: class page
- Artiodactyla135
- Carnivora124
- Primates116
- Rodentia87
- Chiroptera45
- Cetacea29
- Diprotodontia12
- Perissodactyla12
- Cingulata8
- Dasyuromorphia7
- Didelphimorphia7
- Eulipotyphla6
- Lagomorpha5
- Macroscelidea5
- Pilosa5
- Peramelemorphia4
- Scandentia4
- Soricomorpha4
- Monotremata3
- Erinaceomorpha2
- Proboscidea2
- Sirenia2
- Afrosoricida1
- Hyracoidea1
- Tubulidentata1
BirdsAves423
Aves: class page
- Passeriformes146
- Charadriiformes51
- Psittaciformes46
- Anseriformes29
- Accipitriformes19
- Galliformes18
- Gruiformes16
- Pelecaniformes14
- Procellariiformes11
- Falconiformes9
- Strigiformes9
- Piciformes7
- Sphenisciformes7
- Columbiformes6
- Suliformes6
- Coraciiformes4
- Apodiformes3
- Bucerotiformes3
- Ciconiiformes3
- Casuariiformes2
- Cuculiformes2
- Gaviiformes2
- Phaethontiformes2
- Phoenicopteriformes2
- Podicipediformes2
- Caprimulgiformes1
- Coliiformes1
- Otidiformes1
- Struthioniformes1
ReptilesReptilia136
Sharks and raysChondrichthyes87
AmphibiansAmphibia47
LampreysCephalaspidomorphi10
Lobe-finned fishesSarcopterygii4
Ascidiacea1
Leptocardii1
Mollusca
BivalvesBivalvia35
Cephalopoda11
Arthropoda
CrustaceansMalacostraca30
InsectsInsecta4
Merostomata1
Echinodermata
Sea urchinsEchinoidea4
Asteroidea1
Annelida
Polychaeta4
Nematoda
RoundwormsChromadorea2
Cnidaria
Scyphozoa1
Platyhelminthes
Rhabditophora1
Porifera
Demospongiae1
Classification from AnAge. Divergence times come from TimeTree dates on the Open Tree of Life topology; the root is 750 million years old.