The arthropod, which is known as living fossil is

Options

(a) Bombyx(silkworm)
(b) Locusta(locust)
(c) Limulus(king crab)
(d) Annelida

Correct Answer:

Limulus(king crab)

Explanation:

Limulus is a living fossil animal. The living fossil is an extant taxon. But others are not coming under living fossil