Order

Petromyzontiformes

10 species in 1 family. 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%

Families

1

The Petromyzontiformes tree

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Outer ring: Maximum lifespan, log scale

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Families of Petromyzontiformes

1 family, by species count

Petromyzontidae5 genera10

Where Petromyzontiformes 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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Petromyzontiformes (10)
Other species

Longest-lived

Top 5 and the shortest-lived

Species in Petromyzontiformes

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Species in Petromyzontiformes

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