Acorn worms, also known as enteropneust (literally, ‘gut-breathing’) hemichordates, are marine invertebrates that share features with echinoderms and chordates. Together, these three phyla comprise ...

The origin of the body plan of our own phylum, Chordata, is one of the most fascinating questions in evolutionary biology. Yet, after more than a century of debate, the evolutionary origins of the ...

New research undertaken by scientists at the Smithsonian National Museum of Natural History, Royal Ontario Museum (ROM) and University of Montreal, has uncovered fossils of a new species of marine ...

Severe injury to the central nervous system of chordates often results in permanent and irreversible mental and physical challenges. While some chordates are able to repair and/or regenerate portions ...

Cambrian Tentaculate Worms and the Origin of the Hemichordate Body Plan Object Details Author Nanglu, Karma Caron, Jean-Bernard Cameron, Christopher B. Citation Nanglu, Karma, Caron, Jean-Bernard, and ...

This press release is available in French. Christopher Cameron of the University of Montreal's Department of Biological Sciences and his colleagues have unearthed a major scientific discovery - a ...

CC0 Usage Conditions ApplyClick for more information. Many marine invertebrates have larval stages that look nothing like the adults. But these hemichordates take it to an extreme. There is nothing ...