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An animal sperm cell with a posterior flagellum attempts to penetrate an ovum
Scientific classification
  • Holomycota
  • Holozoa
  • Choanozoa

Opisthokonts are a superkingdom of the Eukaryota, including the animals. It is a group of unikonts.

There are several classifications of the eukaryotes which are being discussed. Each of them divides the domain Eukaryota into five groups, but there is disagreement on the details.[1]

The Opisthokonta is thought to be a monophyletic clade, and therefore superior to the Unikonta as as taxonomic term.[2][3][4]

References[change | change source]

  1. Adl S.M. et al 2005. The new higher level classification of eukaryotes with emphasis on the taxonomy of protists. J. Eukaryot. Microbiol. 52 (5): 399–451. [1] PMID 16248873
  2. Huang, Jinling, Ying Xu, and Johann Peter Gogarten. The presence of a haloarchaeal type tyrosyl-tRNA synthetase marks the opisthokonts as monophyletic. Molecular biology and evolution 22.11 (2005): 2142-2146.
  3. Steenkamp, Emma T; Jane Wright, and Sandra L. Baldauf. The protistan origins of animals and fungi. Molecular biology and Evolution 23.1 (2006): 93-106.
  4. Torruella, Guifré, et al. Phylogenetic relationships within the Opisthokonta based on phylogenomic analyses of conserved single-copy protein domains. Molecular Biology and Evolution 29.2 (2012): 531-544.