Phylum

Chordata

2,231 species in 10 classes. Maximum lifespan ranges from 1.9 months (Divine dwarfgoby) to 392 years (Greenland shark).

Species

2,231

with a complete mtDNA

Lifespan range

1.9 mo–392 yr

Median GC

43.8%

Range 23.5–51.4%

Classes

Largest: Ray-finned fishes (895)

The Chordata tree

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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.

10 classes, by species count

Whole-genome GC content against maximum lifespan. Hover or tap a point; select it again to open the species.

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Top 5 and the shortest-lived

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20 species

Species in Chordata

Somniosus microcephalus	Greenland shark	Sharks and rays	392 yr	16,730 bp	39.26%
Balaena mysticetus	Bowhead whale	Mammals	211 yr	16,390 bp	41.31%
Sebastes aleutianus	Rougheye rockfish	Ray-finned fishes	205 yr	16,977 bp	45.59%
Acipenser fulvescens	Lake sturgeon	Ray-finned fishes	152 yr	16,542 bp	45.82%
Aldabrachelys gigantea	Aldabra tortoise	Reptiles	152 yr	16,467 bp	40.14%
Terrapene carolina	Eastern box turtle	Reptiles	138 yr	16,901 bp	38.97%
Testudo graeca	Mediterranean spur-thighed tortoise	Reptiles	127 yr	19,278 bp	37.29%
Homo sapiens	Human	Mammals	122.5 yr	16,569 bp	44.36%
Huso huso	Beluga sturgeon	Ray-finned fishes	118 yr	16,760 bp	45.78%
Sebastes ruberrimus	Rasphead rockfish	Ray-finned fishes	118 yr	17,067 bp	44.86%
Sebastes nigrocinctus	Tiger rockfish	Ray-finned fishes	116 yr	16,922 bp	45.33%
Sebastolobus alascanus	Shortspine thornyhead	Ray-finned fishes	115 yr	16,495 bp	46.28%
Anoplopoma fimbria	Sablefish	Ray-finned fishes	114 yr	16,507 bp	47.93%
Balaenoptera physalus	Fin whale	Mammals	114 yr	16,398 bp	40.59%
Ictiobus cyprinellus	Bigmouth buffalo	Ray-finned fishes	112 yr	16,611 bp	45.74%
Balaenoptera musculus	Blue whale	Mammals	110 yr	16,402 bp	40.65%
Sebastes babcocki	Redbanded rockfish	Ray-finned fishes	106 yr	17,062 bp	44.88%
Acipenser transmontanus	White sturgeon	Ray-finned fishes	104 yr	16,692 bp	45.84%
Proteus anguinus	Olm	Amphibians	102 yr	16,584 bp	41.83%
Acipenser dabryanus	Yangtze sturgeon	Ray-finned fishes	100 yr	16,438 bp	46.10%