COELACANTH
coelacanth, Latimeria chalumnae
(noun) fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa
Source: WordNet® 3.1
Etymology
Noun
coelacanth (plural coelacanths)
Either of two species of deep-water fish, Latimeria chalumnae of the Indian Ocean and Latimeria menadoensis of Indonesia.
Any lobe-finned fish in the order Coelacanthiformes, thought until 1938 to have been extinct for 70 million years.
Source: Wiktionary
Coel"a*canth ( or , a. Etym: [Gr. (Zoöl.)
Definition: Having hollow spines, as some ganoid fishes.
Source: Webster’s Unabridged Dictionary 1913 Edition