Fossil Daddy Longlegs Sports a 99-Million-Year Erection

The unfortunate harvestman, the first found fossilized in amber with a fully erect penis, also belongs to a new arachnid family.

On a tree in what's now Burma some 99 million years ago, a cousin of today's daddy longlegs had the best and worst day of his life.

After a months-long puberty, the male harvestman Halitherses grimaldii had finally blossomed into full manhood, sporting a penis that grew to nearly half of his body length when erect.

We know about this H. grimaldii's particular package because, as announced last Thursday in The Science of Nature, he died fully aroused, his tree-side tryst interrupted by oozing resin that entombed his body in what's now a lump of amber.

"It must have been in an amorous state to have it out like this," says Ron Clouse of the American Museum of Natural History,

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet