document updated 3 hours ago, on Nov 2, 2025
Gray areas โ tree of life
Taxa that are more black-and-white
Taxa that are more gray
Or, at least they're less well-known.
cellular life
slime molds โ they're sometimes considered fungal-like ๐ฟ
microfauna microscopic organisms that have animal-like qualities
pseudofungi eukaryotes unrelated to fungi, but which have functional similarities (they have hyphae, and absorb externally-digested nutrients)
subviral agents (which are non-cellular) [2] [3] [4] ๐ฟ
Multicellular protists
See also: [1] [2] [3]
Animal-like protists
Fungi-like protists
Prokaryote taxonomy
Taxonomic characteristics:
Virus taxonomy
Other lists like this one
see also
โ Polyphyletic
TODO: look into these