This ancient creature looks like a spider with a tail

Silk spinners and spidery male sex organs mix with nonspider traits

Chimerarachne yingi

SEE THE TAIL  Trapped in amber for 100 million years, a tiny extinct beast resembles a spider, except for its long, skinny tail.

B. Wang

What looks like a spider, but with a segmented rear plus a long spike of a tail, has turned up in amber that’s about 100 million years old.