These spiders were about the size of a human hand and lived 165 million years ago, during the Middle Jurassic period. The male, Mongolarachne jurassica, and female, Nephila jurassica, were similar in size. Photo courtesy of Kansas University and Paul Selden.

Read story

Comments

Use the comment form below to begin a discussion about this content.

Commenting has been disabled for this item.

loading...