"Candidatus Lokiarchaeum" | |
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Scientific classification ![]() | |
Domain: | Archaea |
Kingdom: | Promethearchaeati |
Phylum: | Promethearchaeota |
Class: | Promethearchaeia |
Order: | Promethearchaeales |
Family: | Promethearchaeaceae |
Genus: | "Ca. Lokiarchaeum" corrig. Spang et al., 2015 |
Species: | "Ca. Lokiarchaeum ossiferum" |
Binomial name | |
"Ca. Lokiarchaeum ossiferum" Rodrigues-Oliveira et al., 2023 | |
Synonyms | |
"Ca. Lokiarchaeon" Sousa et al., 2016 [1] |
" Candidatus Lokiarchaeum" is the first discovered genus of Promethearchaeati, the kingdom from which eukaryotes emerged. It belongs to the family Promethearchaeaceae and contains the sole species "Ca. Lokiarchaeum ossiferum". [2] [3] [4] [5]
"Ca. Lokiarchaeum" was described in 2015 and was assigned to the phylum "Lokiarchaeota". [2] In 2017, "Lokiarchaeota" was assigned to the superphylum "Asgard", as well as other phyla. [6] Later, the superphylum "Asgard" was de-ranked to phylum "Asgardarchaeota" and "Lokiarchaeota" was de-ranked to class "Lokiarchaeia". Other "Asgard" phyla were also de-ranked to classes. [7] [8] In 2023, the species "Ca. Lokiarchaeum ossiferum" was described. [3] In 2024, "Asgardarchaeota" was renamed to Promethearchaeota and "Lokiarchaeia" was renamed to Promethearchaeia. [4]