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The hatching larva of the priapulid worm Halicryptus spinulosus
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
2009 (English)In: Frontiers in Zoology, ISSN 1742-9994, E-ISSN 1742-9994, Vol. 6, no 8Article in journal (Refereed) Published
Abstract [en]

Despite their increasing evolutionary importance, basic knowledge about the priapulid worms remains limited. In particular, priapulid development has only been partially documented. Following previous description of hatching and the earliest larval stages of Priapulus caudatus, we here describe the hatching larva of Halicryptus spinulosus. Comparison of the P. caudatus and the H. spinulosus hatching larvae allows us to attempt to reconstruct the ground pattern of priapulid development. These findings may further help unravelling the phylogenetic position of the Priapulida within the Scalidophora and hence contribute to the elucidation of the nature of the ecdysozoan ancestor.

Place, publisher, year, edition, pages
2009. Vol. 6, no 8
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-128363DOI: 10.1186/1742-9994-6-8ISI: 000268166200001OAI: oai:DiVA.org:uu-128363DiVA, id: diva2:331391
Available from: 2010-07-22 Created: 2010-07-20 Last updated: 2017-12-12Bibliographically approved

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