A new look at the ventral nerve centre of <it>Sagitta</it>: implications for the phylogenetic position of Chaetognatha (arrow worms) and the evolution of the bilaterian nervous system
<p>Abstract</p> <p>Background</p> <p>The Chaetognatha (arrow worms) are a group of marine carnivores whose phylogenetic relationships are still vigorously debated. Molecular studies have as yet failed to come up with a stable hypothesis on their phylogenetic position. I...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
BMC
2007-05-01
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Series: | Frontiers in Zoology |
Online Access: | http://www.frontiersinzoology.com/content/4/1/14 |