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Land animals in the silurian: arachnids and myriapods from shropshire, England.
The presence of predatory arthropods suggests that complex terrestrial ecosystems were in place by the late Silurian (414 x 10(6) years before present) and that the animal invasion of the land occurred earlier than was previously thought.
The early history and phylogeny of the chelicerates
When fossil taxa are considered, the limits of the Chelicerata become less well constrained, especially true of various problematic arthropods: fossils such as aglaspidids, chasmataspids, Sanctacaris Briggs and Collins, 1988 and other Burgess Shale-type arthropODs.
Opisthosomal fusion and phylogeny of Palaeozoic Xiphosura
Results of a cladistic analysis of Palaeozoic xiphosuran genera indicate that Synziphosurina Packard, 1886, is a paraphyletic assemblage of stem-group Xiphosura.
A spider and other arachnids from the Devonian of New York, and reinterpretations of Devonian Araneae
The Role of Behavior in the Evolution of Spiders, Silks, and Webs
Evidence for the evolution of silk production and web building as traits in spider phylogeny is explored in a coevolutionary arms race against insects.
Crustaceans from bitumen clast in Carboniferous glacial diamictite extend fossil record of copepods.
- P. Selden, R. Huys, M. Stephenson, A. Heward, P. Taylor
- Environmental Science, GeographyNature communications
- 10 August 2010
Copepod crustaceans are extremely abundant but, because of their small size and fragility, they fossilize poorly. Their fossil record consists of one Cretaceous (c. 115 Ma) parasite and a few Miocene…
New terrestrial arachnids from the Devonian of Gilboa, New York (Arachnida, Trigonotarbida). American Museum novitates ; no. 2901
FOSSIL ARANEOMORPH SPIDERS FROM THE TRIASSIC OF SOUTH AFRICA AND VIRGINIA
New fossil spiders from Triassic rocks of South Africa and Virginia are described. Though lacking synapomorphies of Araneomorphae, certain features suggest they belong in that infraorder, and…
RESISTANCE OF SPIDERS TO CRETACEOUS‐TERTIARY EXTINCTION EVENTS
- D. Penney, C. P. Wheater, P. Selden
- Geography, Environmental ScienceEvolution; international journal of organic…
- 1 November 2003
It is provided the first evidence that spiders suffered no decline at the family level during these mass extinction events, and it is shown that they increased in relative numbers through the Cretaceous and beyond the CRETaceous—Tertiary extinction event.
Fossil evidence for the origin of spider spinnerets, and a proposed arachnid order
- P. Selden, W. Shear, M. Sutton
- BiologyProceedings of the National Academy of Sciences
- 30 December 2008
Enigmatic flagellar structures originally described as Arachnida incertae sedis, are shown to be Attercopus anal flagella, and an arachnid order, Uraraneida, is erected for a plesion, including these two genera.