And it’s BIG. In Australia, where every thing is bigger.
Shrimp sperm became perfectly preserved 17 million years ago. The shrimp, called ostracods, were only one millimeter long, but their sperm stretches an impressive 10mm.
You have to love any news story that features the words “ancient sex with gargantuan sperm.”
While this may be the oldest fossil sperm found, sperm first developed more than 500 million years ago. Even ostracods go back around to 485 million years ago.