The species was named after the Kolyma River in Russia, where the first two specimens were discovered.

[1] In 2023, it was reported that nematodes of the previously undescribed Panagrolaimus kolymaensis were revived after 46,000 years in cryptobiosis.

[2][3] However, a number of scientists expressed skepticism regarding the accuracy of the age analysis for these worms.

[1] Phylogenetic analysis and genome comparison with C. elegans revealed that the species shared mechanisms for cryptobiotic survival.

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