Arachnosaur

After his superior officers are killed in action, Corporal Josiah Key assumes command of the 3rd Battalion, Marine Raiders. In the tiny village of Shabhut, Yemen, while trying to put the blast on ISIS forces, an even deadlier enemy emerges: ancient, unreasoning creatures who tear into both U.S. troops and terrorists without mercy, leaving brutally dismembered corpses in their wake.

They are known as the Idmonarchne Brasieri, giant prehistoric spiders roused from millennia-long ...