The Vestimentifera, their biology, systematic and evolutionary patterns
1988
Jones, M L
The taxonomy, morphology, and anatomy of the Vestimentiferans are reviewed. The vascularization of the branchial complex and the trophosome is emphasized. A recently discovered ciliated duct, arising from the base of the obturacular region, functional only in juvenile vestimentiferans, is hypothesized as the means of entry of bacteria into the trophosome. Morphological criteria are presented supporting the designation of five families, three orders and two classes, as well as the separation of the vestimentiferans in their own phylum, Vestimentifera, based on the morphology of the opisthosome and the arrangement of anterior coelomic segments.
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