World Wires · story 56192 · corroborated · 1 source(s)

New ancient sperm whale species identified from fossils in Gunma

Researchers in Gunma Prefecture identified a 15.5-million-year-old fossil as a new sperm whale species, named Miophyseter gunmaensis.

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• New ancient sperm whale species identified from fossils in Gunma The Japan Times · tier B · clear net · 2026-10-19 09:11 UTC

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