A. Simpson

Publications98
h-index39
Citations7,910
Highly Influential Citations727
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How Many Species Are There on Earth and in the Ocean?
The diversity of life is one of the most striking aspects of our planet; hence knowing how many species inhabit Earth is among the most fundamental questions in science. Yet the answer to this… Expand
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The Revised Classification of Eukaryotes
This revision of the classification of eukaryotes, which updates that of Adl et al. [J. Eukaryot. Microbiol. 52 (2005) 399], retains an emphasis on the protists and incorporates changes since 2005… Expand
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The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the Functional Diversity of Eukaryotic Life in the Oceans through Transcriptome Sequencing
Current sampling of genomic sequence data from eukaryotes is relatively poor, biased, and inadequate to address important questions about their biology, evolution, and ecology; this Community Page… Expand
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Phylogenomic analyses support the monophyly of Excavata and resolve relationships among eukaryotic “supergroups”
  • V. Hampl, L. Hug, +4 authors A. Roger
  • Medicine, Biology
  • Proceedings of the National Academy of Sciences
  • 10 March 2009
Nearly all of eukaryotic diversity has been classified into 6 suprakingdom-level groups (supergroups) based on molecular and morphological/cell-biological evidence; these are Opisthokonta, Amoebozoa,… Expand
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Cytoskeletal organization, phylogenetic affinities and systematics in the contentious taxon Excavata (Eukaryota).
  • A. Simpson
  • Medicine, Biology
  • International journal of systematic and…
  • 1 November 2003
An overview of the controversial proposal for the major eukaryote taxon "Excavata" is presented. Excavata is predicted to include at least ten distinct groups: jakobids, Malawimonas, Trimastix,… Expand
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The evolution and diversity of kinetoplastid flagellates.
Five years ago, little was known about kinetoplastid evolution. Recent improvements in the taxon sampling for nuclear rRNA genes and several protein markers have transformed this understanding.… Expand
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The identity and composition of the Euglenozoa
Summary The taxon Euglenozoa was originally created to include the kinetoplastids and euglenids only. Subsequently, euglenozoan identity and/or affinities have been suggested for Diplonema,… Expand
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CBOL Protist Working Group: Barcoding Eukaryotic Richness beyond the Animal, Plant, and Fungal Kingdoms
A group of protist experts proposes a two-step DNA barcoding approach, comprising a universal eukaryotic pre-barcode followed by group-specific barcodes, to unveil the hidden biodiversity of… Expand
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The evolutionary history of kinetoplastids and their kinetoplasts.
Despite extensive phylogenetic analysis of small subunit ribosomal RNA (SSUrRNA) genes, the deep-level relationships among kinetoplastids remain poorly understood, limiting our grasp of their… Expand
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Flagellates from stromatolites and surrounding sediments in Shark Bay, Western Australia
Hamelin Pool in Western Australia is home to distinctive shallow-water marine benthic communities dominated by stromatolitesstructures formed by bacterial assemblages. We have sought to establish if… Expand
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