And just as impressive, the 500-million-year-old aquatic annelid has been honored with a name paying tribute to sci-fi author Frank Herbert’s iconic supersized sandworms, ...

The new annelid phylogeny instead indicates independent loss of palpae in errantian and sedentarian groups, as was previously suggested 6,7 by two of the co-authors of the current paper 1.

Bullish (Video) Annelid Worm Segmentation: Evolutionary Body Plan & Nerve Cord. Posted: March 14, 2025 | Last updated: March 14, 2025. This film discusses the evolutionary significance of ...

As planktonic organisms the larvae of the marine annelid Platynereis swim freely in the open water. They move by activity of their cilia, thousands of tiny hair-like structures forming a band ...

A University of Kansas paleontologist exploring an area known for its fossils recently uncovered a never-before-discovered ancient sea worm – and showed off her “nerdy” side while naming it.

Dr. Atsuko Nishigaki and their research team from Toho University, discovered that the marine worm Marphysa sp. E, an annelid ...

More than 500 million years ago, in what is today Kootenay National Park in British Columbia, a fast-moving underwater mudslide killed and trapped a small worm. That's one theory Karma Nanglu, a ...

Annelid hard parts have excellent preservation potential, but despite this specimens are rarely collected. Annelid collections tend to lack diversity and are generally focussed on a single family, the ...

It could be an early arthropod – the group that includes insects and millipedes – or an annelid, like a modern earthworm. It could also be ancestral to both groups.