Scientists Uncover Giant Spiders That Once Terrorized Jurassic Earth

Scientists Uncover Giant Spiders That Once Terrorized Jurassic Earth

Fossil discoveries in Inner Mongolia have unveiled two rare specimens of an extinct genus of giant spiders, shedding light on the fascinating evolutionary pathways of arachnids during the Jurassic period. Named Mongolarachne jurassica, these spiders once lived some 165 million years ago, preserved in time by volcanic ashfalls that formed finely layered sedimentary rocks. The newly identified genus rewrites earlier assumptions about ancient spide…