uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
Is Strudiella a Devonian insect?: Reply
Show others and affiliations
2013 (English)In: Nature, ISSN 0028-0836, Vol. 494, no 7437, E4-E5 p.Article in journal, Letter (Refereed) Published
Place, publisher, year, edition, pages
2013. Vol. 494, no 7437, E4-E5 p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-219280DOI: 10.1038/nature11888ISI: 000315312900051OAI: oai:DiVA.org:uu-219280DiVA: diva2:699289
Available from: 2014-02-27 Created: 2014-02-25 Last updated: 2015-07-07Bibliographically approved
In thesis
1. The Arthropod Assemblage of the Upper Devonian Strud locality and its Ecology
Open this publication in new window or tab >>The Arthropod Assemblage of the Upper Devonian Strud locality and its Ecology
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The Devonian (419-359 million years ago) is the geological period when the terrestrial biota fully established. Early representatives from a terrestrial and continental aquatic biota have previously been reported from the Upper Devonian (Famennian) Strud quarry in Belgium, in the shape of seed-bearing plants and vertebrates (fish and early tetrapods). The palaeoenvironment is interpreted as a floodplain with slow accumulation of sediment in the river channels and adjacent shallow pools, subject to seasonal flooding and desiccation. This thesis presents the upper Famennian Strud ecosystem with representatives from the largest animal phylum – the Arthropoda. Pancrustaceans are dominating the arthropod assemblage by two eumalacostracans (previously described), three groups of branchiopods, and a putative insect, all collected in fine shales likely deposited in the shallow pools. The branchiopods from Strud comprise new members from all three extant clades, i.e. notostracans, anostracans, and spinicaudatan diplostracans. The notostracan Strudops goldenbergi is remarkable for its close resemblance with the extant genus Triops by the overall body plan and telson morphology. A phylogenetic analysis including modern and extinct notostracans and anostracans was performed, where Strudops appears as the earliest undisputed notostracan ever found. In addition, new genera of Anostraca (Haltinnaias serrata) and Spinicaudata (Gesvestheria pernegrei) are described herein. The insect Strudiella devonica consists of a single specimen and is interpreted to have been a nymph due to its minute size and wingless appearance. The chelicerates are represented by one or several species of eurypterids. So far unnamed juvenile eurypterid remains have also been found within the pool strata, and fragments of adult individuals in the coarser river deposits. The branchiopod community displays a unique insight to the ecosystem that these crustaceans inhabited. This is partly because of their co-occurrence, but mainly because they are preserved in close association to draught-resistant encysted eggs, in the same manner as modern day branchiopods do to survive and disperse during periods of drought and freezing. Altogether, the arthropod assemblage offers insight to Late Devonian freshwater ecosystems, and provides further understanding of the evolution of respective groups.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2015. 41 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 1245
Branchiopoda, Hexapoda, Eurypterida, Strud, Famennian, ephemeral pool
National Category
Natural Sciences
Research subject
Earth Science with specialization in Historical Geology and Palaeontology
urn:nbn:se:uu:diva-248153 (URN)978-91-554-9222-9 (ISBN)
Public defence
2015-05-22, Axel Hambergsalen, Villavägen 16, Uppsala, 13:15 (English)
Swedish Research Council
Available from: 2015-04-28 Created: 2015-03-28 Last updated: 2015-07-07

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Lagebro, Linda
By organisation
In the same journal
Natural Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 189 hits
ReferencesLink to record
Permanent link

Direct link