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Figure: Postulated carotenogenesis pathways of end groups

  Carotenoid distributions in organisms

• See also: the list of scientific names, the list of source organisms' description lists, and the list of families.
  
• See detailed statistics at the right links: Phylum level statistics and Family level statistics.
  

   ☀C30 originated carotenoid producing organisms

End groups	Organisms
ψ,ψ	Firmicutes, Cyanobacteria, Alphaproteobacteria, Gammaproteobacteria

   ☀C40 originated carotenoid producing organisms

End groups	Organisms
ψ,ψ	Deinococci, Deltaproteobacteria, Alphaproteobacteria, Euryarchaeota, Cyanobacteria, Firmicutes, Cryptophyta, Arthropoda (Insecta), Streptophyta, Chlorophyta, Gammaproteobacteria, Chordata, Actinobacteria, Basidiomycota, Betaproteobacteria, Ascomycota, Gemmatimonadetes, Unclassified non-living matter, Porifera
β,ψ	Chlorobi, Cyanobacteria, Deltaproteobacteria, Streptophyta, Euglenida, Chlorophyta, Arthropoda (Insecta), Alphaproteobacteria, Basidiomycota, Firmicutes, Ascomycota, Bacteroidetes, Chordata, Actinobacteria, Deinococci, Gammaproteobacteria, Mollusca, Porifera
ε,ψ	Streptophyta, Chordata, Mollusca
γ,ψ	Arthropoda (Insecta)
φ,ψ	Unclassified bacteria (Chlorochromatium), Gammaproteobacteria, Chlorobi, Actinobacteria
χ,ψ	Gammaproteobacteria
β,β	Cyanobacteria, Deinococci, Alphaproteobacteria, Euryarchaeota, Actinobacteria, Rhodophyta, Chlorophyta, Streptophyta, Cryptophyta, (Eustigmatophyceae), (Stramenopiles), (Haptophyceae), (Alveolata), (Raphidophyceae), Bacillariophyta, Euglenida, Unclassified chlorophyta, (Phaeophyceae), (Glaucocystophyceae), Arthropoda (Insecta), Basidiomycota, Porifera, Arthropoda, Mollusca, Ascomycota, Chordata, Bacteroidetes, Echinodermata, Crenarchaeota, Cnidaria, Gammaproteobacteria
β,ε	Euryarchaeota, Cyanobacteria, Rhodophyta, Chlorophyta, Streptophyta, Cryptophyta, (Haptophyceae), Euglenida, Unclassified chlorophyta, Mollusca, Arthropoda (Insecta), Chordata, Porifera, Ascomycota, Echinodermata, Actinobacteria, (Alveolata), Arthropoda, Cnidaria
β,γ	Arthropoda (Insecta), Ascomycota, Mollusca, Streptophyta
ε,ε	Cryptophyta, Chlorophyta, Cyanobacteria, Chordata, (Stramenopiles), Ascomycota, Mollusca, Streptophyta
γ,ε	Chlorophyta, Unclassified chlorophyta, Porifera
γ,γ	Arthropoda (Insecta)
β,φ	Porifera, Gammaproteobacteria
β,χ	Porifera, Gammaproteobacteria, Echinodermata
β,κ	Streptophyta, Chordata, Mollusca, Ascomycota, Porifera, Echinodermata
κ,χ	Porifera
κ,κ	Streptophyta
φ,φ	Porifera, Actinobacteria, Chlorobi, Mollusca, Gammaproteobacteria, Unclassified bacteria (Chlorochromatium)
χ,χ	Gammaproteobacteria, Cyanobacteria
φ,χ	Porifera, Gammaproteobacteria
ψ,-	Streptophyta, Chordata, Cyanobacteria, Ascomycota, Gammaproteobacteria
β,-	Streptophyta, (Haptophyceae), Chordata, Ascomycota, Echinodermata, Mollusca, Cyanobacteria, Alphaproteobacteria, Actinobacteria, Unclassified non-living matter, Bacillariophyta, Arthropoda (Insecta), Mucoromycota, Euryarchaeota, Porifera, Rhodophyta, Arthropoda
ε,-	Chordata, Mucoromycota, Arthropoda (Insecta), Streptophyta, Rhodophyta
γ,-	Streptophyta
κ,-	Streptophyta
-,-	Streptophyta, Unclassified non-living matter, Cyanobacteria, Ascomycota, Mucoromycota

   ☀C45 originated carotenoid producing organisms

End groups	Organisms
ψ,ψ	Euryarchaeota, Actinobacteria
β,ψ	Bacteroidetes
ε,ψ	Actinobacteria
β,β	Actinobacteria
ε,ε	Actinobacteria

   ☀C50 originated carotenoid producing organisms

End groups	Organisms
ψ,ψ	Euryarchaeota, Actinobacteria, Unclassified bacteria (Halophilic bacteria)
β,ψ	Actinobacteria
ε,ψ	Actinobacteria
β,β	Actinobacteria
ε,ε	Actinobacteria, Gammaproteobacteria
γ,γ	Firmicutes, Actinobacteria

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Since June 15th, 2015 by Junko Yabuzaki.