Eggs of ancient animals known as trilobites show that these creatures had sex via organs located in their heads. They existed 520 million years ago and had tough outer shells which protected them...
Trilobite Eggs in New York Reveal Their Sexual Organs Were in Their Head
Eggs of ancient animals known as trilobites show that these creatures had sex via organs located in their heads. They existed 520 million years ago and had tough outer shells which protected them...