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Architecture of the nervous system in mystacocarida (Arthropoda, crustacea)—An immunohistochemical study and 3D reconstruction by Georg Brenneis; Stefan Richter is a Environmental Science article available to read on EtoBox.

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## Abstract Mystacocarida is a species‐poor group of minute crustaceans with unclear phylogenetic affinities. Previous studies have highlighted the putative “primitiveness” of several mystacocarid features, including the architecture of the nervous system. Recent studies on arthropod neuroarchitecture have provided a wealth of characters valuable for phylogenetic reconstructions. To permit and facilitate comparison with these data, we used immunohistochemical labeling (against acetylated α‐tubulin, serotonin and FMRFamide) on the mystacocarid __Derocheilocaris remanei__, analyzing it with confocal laser‐scanning microscopy and 3D reconstruction. The mystacocarid brain is fairly elongated, exhibiting a complicated stereotypic arrangement of neurite bundles. However, none of the applied markers provided evidence of structured neuropils such as a central body or olfactory glomeruli. A completely fused subesophageal ganglion is not present, all segmental soma clusters of the respective neuromeres still being delimitable. The distinct mandibular commissure comprises neurite bundles from more anterior regions, leading us to propose that it may have fused with an ancestral posterior trito

Who reads Architecture of the nervous system in mystacocarida (Arthropoda, crustacea)—An immunohistochemical study and 3D reconstruction?

Author

Georg Brenneis; Stefan Richter

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0362-2525)

Published

2009

Language

EN

Field

Environmental Science (Physical Sciences)