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Broad phylogenomic sampling improves resolution of the animal tree of life
This data reinforce several previously identified clades that split deeply in the animal tree, unambiguously resolve multiple long-standing issues for which there was strong conflicting support in earlier studies with less data, and provide molecular support for the monophyly of molluscs, a group long recognized by morphologists.
Radiation of Extant Cetaceans Driven by Restructuring of the Oceans
- M. Steeman, M. Hebsgaard, E. Willerslev
- Environmental Science, GeographySystematic biology
- 5 October 2009
It is found that the toothed whales are monophyletic, suggesting that echolocation evolved only once early in that lineage some 36–34 Ma, and support is found for increased diversification rates during periods of pronounced physical restructuring of the oceans.
Higher-level metazoan relationships: recent progress and remaining questions
The relationships of the five main metazoan lineages—Porifera, Ctenophora, Placozoa, Cnidaria and Bilateria—remain subject to conflicting topologies according to different taxonomic samples and analytical approaches.
Spiralian Phylogeny Informs the Evolution of Microscopic Lineages
On the phylogeny of the Metazoa in the light of Cycliophora and Micrognathozoa.
Marine meiofauna, carbon and nitrogen mineralization in sandy and soft sediments of Disko Bay, West Greenland
Organic carbon mineralization was studied in a shallow-water (4 m), sandy sediment and 2 comparatively deep-water (150 and 300 m), soft sediments in Disko Bay, West Greenland. Benthic nucroalgae…
On the evolution and morphology of the rotiferan trophi, with a cladistic analysis of Rotifera
- M. Sørensen
- 1 September 2002
The phylogeny of Rotifera was examined in different computer-generated cladistic analyses, including Seisonidea, BdelloideA, Flosculariacea, Collothecacea and all ploimids treated on family level, and suggested that the presence of an incus is synapomorphic for Gnathifera while mallei are synapomorph for Micrognathozoa andRotifera.
Musculature in three species of Proales (Monogononta, Rotifera) stained with phalloidin-labeled fluorescent dye
- M. Sørensen
- 1 February 2005
The musculature in the rotifer species Proales daphnicola, P. reinhardti and P. fallaciosa was stained with phalloidin-labeled fluorescent dye and compared with data from other rotifers and it was concluded that the muscles pars coronalis and the corona sphincter probably represent conditions in Ploima or Monogononta.
Bayesian Inference of the Metazoan Phylogeny A Combined Molecular and Morphological Approach
Revisiting metazoan phylogeny with genomic sampling of all phyla
The first attempt to investigate animal relationships using genome-scale data from all phyla is presented, and matrix construction with an eye towards testing specific relationships is explored, showing that Lophotrochozoa can be constructed in strongly conflicting ways using different taxon- and/or orthologue sets.