Correct option is: (D) Latimeria
The Coelacanth latimeria is viewed as a living fossil, since it is accepted to be the sole living individual from its taxon in any case or it is only known from fossils, with no nearby relations alive and to have developed into generally its present structure roughly million years back. Horseshoe crab which is also known as Limulus which are marine arthropods of the family Limulidae and order xiphosura.
