Scientists have uncovered the genetic underpinnings of one of the ocean's most bizarre animals: a branching marine worm named Ramisyllis kingghidorahi that lives inside sea sponges and reproduces in a ...

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The first animals on Earth took millions of years to evolve, a slowness that surprises paleontologists. How to explain it ...

Scientists have uncovered the genetic underpinnings of one of the ocean’s most bizzare animals: a branching marine worm named Ramisyllis kingghidorahi that lives inside sea sponges and reproduces in a ...

Male stolen (right hand side): one of the independent reproductive units – growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free to find a stolon of the ...