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Jlb Smith

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From Fossil to Living Legend: The 1938 Coelacanth Discovery in East London
science2 months ago

From Fossil to Living Legend: The 1938 Coelacanth Discovery in East London

In 1938, East London Museum curator Marjorie Courtenay-Latimer found a heavy blue coelacanth in a trawler’s discard, a fish science had believed extinct for tens of millions of years. Ichthyologist J.L.B. Smith confirmed its identity as Latimeria chalumnae, publishing the finding in Nature and showing that absence of evidence in the fossil record does not prove extinction. The discovery sparked shifts in how scientists view ‘living fossils’ and evolution, and later work revealed ongoing genomic change despite the fish’s ancient lineage.

A Living Fossil's Shocking Return: Coelacanth Rewrites Extinction Story
science4 months ago

A Living Fossil's Shocking Return: Coelacanth Rewrites Extinction Story

In 1938 a self-taught East London museum curator found a coelacanth, long believed extinct, prompting J.L.B. Smith to spend 14 years proving its survival; the living fish, a Lazarus taxon, challenged assumptions about extinction and revealed a lineage spanning hundreds of millions of years, with subsequent finds expanding its known range and confirming its rarity and vulnerability into modern times.