1、extinct except for the coelacanth.

2、Scientists have captured the world's first images of a baby coelacanth recently . It is an extremely rare type of fish known as a 'living fossil'.

3、Cryptozoologists are especially proud of the catch in1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.

4、Sarcopterygians are a group of prehistoric fish which are traditionally classed as lobe-finned fishes, which in the real world include the modern day lungfish and the coelacanth, Latimeria.