Latimeria chalumnae vs coelacanth

Latimeria chalumnae and coelacanth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Latimeria chalumnae	Yes	No	No	No
coelacanth	Yes	No	No	No

As nouns, Latimeria chalumnae and coelacanth are synonyms defined as:

Latimeria chalumnae and coelacanth: fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa

Latimeria chalumnae (noun)	coelacanth (noun)
fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa	fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa