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the claim

Seals and sea lions are in the same family.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 9 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that seals and sea lions are in the same family?

No. Peer-reviewed sources place sea lions in the family Otariidae and true seals in the family Phocidae, so the two are not in the same family. Other items treat seals and sea lions as distinct groups within pinnipeds.

Verdict: REFUTED · 0 sources for, 9 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 9
What's the difference between seals and seal lions? | NOAA FisheriesLock
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What's the difference between seals and seal lions? | NOAA FisheriesLock. (n.d.). fisheries.noaa.gov. https://www.fisheries.noaa.gov/feature-story/it-seal-or-sea-lion

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More against · 8
The Origin and Evolutionary Biology of Pinnipeds: Seals, Sea Lions, and Walruses
2018
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Berta, A., Churchill, M., & Boessenecker, R. W. (2018). The Origin and Evolutionary Biology of Pinnipeds: Seals, Sea Lions, and Walruses. doi.org. https://doi.org/10.1146/annurev-earth-082517-010009

Parapoxviruses of seals and sea lions make up a distinct subclade within the genus Parapoxvirus.
2006
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Nollens, H. H., Gulland, F. M. D., Jacobson, E. R., Hernandez, J. A., Klein, P. A., Walsh, M. T., & Condit, R. C. (2006). Parapoxviruses of seals and sea lions make up a distinct subclade within the genus Parapoxvirus.. doi.org. https://doi.org/10.1016/j.virol.2006.01.020

A review of the pathology of herpesvirus infections in pinnipeds.
2026
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AL, R., L, B., MS, R., & MP, D. (2026). A review of the pathology of herpesvirus infections in pinnipeds.. doi.org. https://doi.org/10.1016/j.jcpa.2026.01.007

Pinniped - Wikipedia
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Pinniped - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Pinniped

Playing at the Edge of the Sea: A Comparative Analysis in Otariids and Odobenids
2021
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Playing at the Edge of the Sea: A Comparative Analysis in Otariids and Odobenids. (2021). doi.org. https://doi.org/10.1007/978-3-030-59184-7_20

Geographic vocal variation and perceptual discrimination abilities in male Australian sea lions
2018
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Geographic vocal variation and perceptual discrimination abilities in male Australian sea lions. (2018). hal.science. https://doi.org/10.1007/s10071-017-1158-7

How otariids walk: a comparative axial analysis of the hind limb movements of California and South American sea lions
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How otariids walk: a comparative axial analysis of the hind limb movements of California and South American sea lions. (n.d.). cir.nii.ac.jp. https://doi.org/10.1111/mms.13075

Phylogenetic relationships within caniform carnivores based on analyses of the mitochondrial 12S rRNA gene.
1996
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Ledje, C. & Arnason, U. (1996). Phylogenetic relationships within caniform carnivores based on analyses of the mitochondrial 12S rRNA gene.. doi.org. https://doi.org/10.1007/BF02202112

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