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evolutionary tree

cladistics

taxonomy

The description as a "tree" results from earlier ideas of life as a progression from lower to higher forms. Although such views are discredited now, the imagery is too well established to be readily lost.

The terminology originates with Linnaean taxonomy: living things are classified as belonging to domain, kingdom, phylum, class, order, family, genus and species.

Life

Domain Eubacteria
- Actinobacteria
- Aquificae
- Bacteroidetes/ Chlorobi group
- Chlamydiae/ Verrucomicrobia group
- Chloroflexi
- Chrysiogenetes
- Cyanobacteria
- Deferribacteres
- Deinococcus-ThermusDeinococcales Deinococcus Thermales Thermus Meiothermus Marinithermus Oceanithermus Vulcanithermus The Deinococcus-Thermus are a small group of bacteria comprised of cocci highly resistant to environmental hazards. There are two main groups. The Deinococc group
- Dictyoglomi
- Fibrobacteres / Acidobacteria group
- FirmicutesBacilli Clostridia Mollicutes The Firmicutes are a group of bacteria, most of which have Gram-positive stains. A few, called mycoplasmas, lack cell walls altogether and so do not respond to Gram staining, but still lack the second membrane found in other
- Fusobacteria
- Gemmatimonadetes
- Nitrospirae
- PlanctomycetesPlancomycetes are obligately aerobic aquatic bacteria requires atmospheric oxygen for growth and are found in field samples of brackish and marine as well as freshwater samples. They reproduce by budding. In structure, the organisms of this group are ovoi
- ProteobacteriaAlpha Proteobacteria Caulobacterales Parvularculales Rhizobiales e. Rhizobium Rhodobacterales Rhodospirillales e. Acetobacter Rickettsiales e. Rickettsia Sphingomonadales Beta Proteobacteria Burkholderiales Hydrogenophilales Methylophilales Neisseriales e
- SpirochaeteSpirochaetes Scientific classification Domain: Bacteria Phylum Spirochaetes Class Spirochaetes Order Spirochaetales Families Brachyspiraceae Leptospiraceae Spirochaetaceae The spirochaetes are a phylum of distinctive bacteria, which have long, helically c
- Thermodesulfobacteria
- Thermomicrobia
- Thermotogae
- unclassified Bacteria
- ...
Domain Archaea
- Crenarchaeota (extremely thermophilic archaebacteria)
- Euryarchaeota
- Korarchaeota
- Nanoarchaeota
Domain Eukaryota, organisms with cells containing a nucleus
- Opisthokonts
  - Kingdom Animalia - animals
  - Choanoflagellates
  - Nucleariids
  - Kingdom Fungi - fungi
- Amoebozoa
- Rhizaria
  - Cercozoa
  - Foraminifera
  - Polycystinea
  - Acantharea
  - Sticholonche
- Excavates
  - Retortamonad s
  - Diplomonads
  - Oxymonad s
  - Parabasalids
  - Jakobid s
  - Heterolobosea
  - Euglenozoa
- "Plants"
  - Kingdom Plantae - green plants
  - Red algae
  - Glaucophytes
- Heterokonts
- Alveolates
  - Ciliates
  - Apicomplexa
  - Dinoflagellates
  - Ellobiopsid s
- Stephanopogon
- Apusomonad s
- Kathablepharid s
- Pseudodendromonad s
- Spironemid s
- Copromyxid s
- Vampyrellids
- Dimorphids
- Gymnosphaerids
- Ebriid s
- Haptophytes
- Xenophyophorea
- Cryptomonads
- Centrohelids

2 External links

http://tolweb.org/tree/phylogeny.html The Tree of Life — A multi-authored, distributed Internet project containing information about phylogeny and biodiversity

3 More examples

http://www.aisee.com/graph_of_the_month/jura.htm — The most detailed and comprehensive family tree of dinosaurs yet available
http://www.omne-vivum.com tree of life with lots of pictures

Scientific classification

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Topics: Evolutionary Tree, See Also, External Links, More Examples...

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