Spiders have been traced back to sea living creatures called Ecdysozoa.
Some 300 million years ago, They divided into chelicrate animals, then dividing into arachnids some 250 million years ago as land dwelling animals. Other chelicrate animals such as lobsters,crabs, and sea spiders remain marine animals.
Some 300 million years ago, They divided into chelicrate animals, then dividing into arachnids some 250 million years ago as land dwelling animals. Other chelicrate animals such as lobsters,crabs, and sea spiders remain marine animals.