MitoAge

Class

Echinoidea

Sea urchins

4 species in 2 orders. Maximum lifespan ranges from 11 years (Purple sea urchin) to 200 years (Red sea urchin).

Show in the tree Compare mtDNA
Species
4
with a complete mtDNA
Lifespan range
11–200 yr
Longest: Red sea urchin
Median GC
41.0%
Range 40.6–41.1%
Orders
2
Largest: Camarodonta (3)

The Sea urchins 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.

Orders of Sea urchins

2 orders, by species count

Where Sea urchins sit among 2,335 species

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

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %
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  • Sea urchins (4)
  • Other species

By lifespan

All 4
  1. Red sea urchinMesocentrotus franciscanus200 yr
  2. Purple sea urchinStrongylocentrotus purpuratus50 yr
  3. Northern sea urchinStrongylocentrotus droebachiensis45 yr
  4. Purple sea urchinHeliocidaris crassispina11 yr

Species in Sea urchins

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Mesocentrotus franciscanusRed sea urchinCamarodonta200 yr15,649 bp40.59%
Strongylocentrotus purpuratusPurple sea urchinEchinoida50 yr15,650 bp41.02%
Strongylocentrotus droebachiensisNorthern sea urchinCamarodonta45 yr15,717 bp41.05%
Heliocidaris crassispinaPurple sea urchinCamarodonta11 yr15,702 bp41.11%

Other classes in Echinodermata