Discover the Acorn Worm, a primitive creature linking vertebrates and invertebrates, and its profound impact on our evolutionary history. Thousands march in Washington days before Trump takes ...

The acorn worm is part of a group known as Enteropneusta. Despite their worm-like appearance, acorn worms are more closely related to humans than to actual worms. They are named for their acorn ...

An curved arrow pointing right. Scientists at Okinawa Institute of Science and Technology Graduate University have sequence the genome of the acorn worm and found a wide variety of similar genes ...

Schizocardium californicum as a larva, juvenile and adult. In the larval stage, S. californicum is little more than a swimming head. Disclaimer: AAAS and EurekAlert! are not responsible for the ...