The correct option is C Latimeria
Latimeria is a genus of West Indian Ocean coelacanth (Latimeria chalumnae) and Indonesian coelacanth (Latimeria menadoensis). Living fossil is a living species or clade of an organism that appears to be similar to a species otherwise known only from fossils. Latimeria is one such living fossil.
Thus, the correct answer is option A.