Living Fossil [Tattoo]

Loren, a biology graduate student, writes, “It’s a sketch of the horseshoe crab Limulus, such as a zoologist would make (and with the abdominal segments correctly identified). Perhaps the most magnificent living fossil of all, the horseshoe crab is the survivor of a lineage that extends back some 445 million years into the Ordovician. The four extant species are the only living representatives of the ancient arthropod class Merostomata and the only known chelicerate crabs.”

Click here to go to the full Science Tattoo Emporium.

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