The fertilized eggs will then move into the branchial chamber ( mantle cavity ).
2.
Protected within which are the branchial chambers which contain the respiratory organs of " Eurypterus ".
3.
The main respiratory organs of " Eurypterus " were what seems to be book gills, located in branchial chambers within the segments of the mesosoma.
4.
In the Anomura ( hermit crabs and related animals ), the fifth pair of pereiopods is often hidden inside the branchial chamber, where they are used to clean the gills.
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