Coelacanth
WordNet
noun
(1) Fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa
WiktionaryText
Etymology
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Noun
- Either of two species of deep-water fish, Latimeria chalumnae of the Indian Ocean and L. menadoensis of Indonesia.
- Any lobe-finned fish in the order Coelacanthiformes, thought until 1938 to have been extinct for 70 million years.