Unexplained sea creature: Dendrogramma specimen is unclassifiable in animal groups (VIDEO).
This Mysterious Sea Creature Is Like No Other Known Animal (Video)
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Sept. 4 2014 5:09 PM

What Is This Strange Sea Creature?

Researchers are stumped—but it could be essential to the animal family tree.


Biologist Jean Just plucked some odd, tiny creatures from deep in an Australian seabed in 1986. Three decades later, the species has finally been described in a new study—which isn’t to say we have any idea what it is.

Dallas Jensen is a regular video contributor to Slate.