Class

Cephalaspidomorphi

Lampreys

10 species in 1 order. Maximum lifespan ranges from 3 years (Miller Lake lamprey) to 10 years (European river lamprey).

Species

10

with a complete mtDNA

Lifespan range

3–10 yr

Longest: European river lamprey

Median GC

37.9%

Range 37.1–38.6%

Orders

1

The Lampreys 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 Lampreys

1 order, by species count

Petromyzontiformes1 family10

Where Lampreys sit among 2,335 species

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

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Lampreys (10)
Other species

Longest-lived

Top 5 and the shortest-lived

Species in Lampreys

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Species in Cephalaspidomorphi

Lampetra fluviatilis	European river lamprey	Petromyzontiformes	10 yr	16,159 bp	38.62%
Entosphenus tridentatus	Pacific lamprey	Petromyzontiformes	9 yr	16,151 bp	38.05%
Petromyzon marinus	Sea lamprey	Petromyzontiformes	9 yr	16,201 bp	37.31%
Ichthyomyzon unicuspis	Silver lamprey	Petromyzontiformes	8 yr	16,163 bp	37.05%
Lampetra aepyptera	Least brook lamprey	Petromyzontiformes	8 yr	16,236 bp	38.36%
Lethenteron camtschaticum	Arctic lamprey	Petromyzontiformes	7 yr	16,277 bp	37.83%
Ichthyomyzon fossor	Northern brook lamprey	Petromyzontiformes	6 yr	16,150 bp	37.09%
Lethenteron appendix	American brook lamprey	Petromyzontiformes	5 yr	16,169 bp	38.63%
Lethenteron reissneri	Far eastern brook lamprey	Petromyzontiformes	4 yr	16,461 bp	37.86%
Entosphenus minimus	Miller Lake lamprey	Petromyzontiformes	3 yr	16,206 bp	37.86%