.. Octopus's came to earth from a comet..?.. arrghhh.. this article concludes on teh OBVIOUS note.. not likely, not likely at all... arrghhhh... meh.. feh/...

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Octopuses are really, really weird. Masters of disguise, they camouflage the skin on their flailing, eight-armed bodies and dive hundreds of feet below the surface of the sea. The intelligent creatures have even been known to predict the odd sports result.

Now, a group of 33 scientists from respected institutions around the world have suggested these bizarre creatures descend from organic alien material. Their research was published in the journal Progress in Biophysics and Molecular Biology, ties the “remarkable” rise of octopuses and their cephalopod cousins to the theory of panspermia.

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Panspermia is a hotly-debated concept. Various versions suggest microbes, viruses, and even tiny life forms like the tardigrade might travel dormant from space rock to space rock via collisions, eventually making their way to new planets. On a habitable planet like our own, they might wake up and thrive.

Mass extinction event have killed of vast numbers of species throughout history. One of these events took place about 544 million years ago. A few million years later, the planet began to see an explosion in critters now preserved in the fossil record.

© Getty Common octopus (Octopus vulgaris). (Photo by Werner LAYER/Gamma-Rapho via Getty Images)

“It takes little imagination to consider that the pre-Cambrian mass extinction event(s) was correlated with the impact of a giant life-bearing comet (or comets), and the subsequent seeding of Earth with new cosmic-derived cellular organisms and viral genes,” the authors wrote.

In the case of octopuses, the authors think cryopreserved eggs could have hitched a ride to Earth on icy bolides. “Indeed,” they wrote, “This principle applies to the sudden appearance in the fossil record of pretty well all major life forms.” Tiny multicellular critters in the form of “eggs, embryos and seeds” might have sprung to life on Earth after a voyage through space.

© Getty POULPE COMMUN, Octopus vulgaris. (Photo by Sophie DE WILDE/Gamma-Rapho via Getty Images)

It's a fun idea, but the paper is one of conjecture, not original research. It is a literature review largely referencing the authors’ own works. In fact, even they acknowledge the work might come off as “fanciful.”

Octopuses are definitely weird. But for now, they're very much terrestrial.