Name: "Candidatus Sigynarchaeum springense" Xie et al. 2022

Category: Species

Proposed as: Candidatus

Etymology: spring’ense. N.L. neut. adj. springense, pertaining to hot spring, Tengchong, China [incorrectly formed: not a location]

Gender: neuter

Type strain: SQRJ_234

Conduct genome-based taxonomy at

Original publication: Xie R, Wang Y, Huang D, Hou J, Li L, Hu H, Zhao X, Wang F. Expanding Asgard members in the domain of Archaea sheds new light on the origin of eukaryotes. Sci China Life Sci 2022; 65:818-829.

Nomenclatural status: not validly published

Taxonomic status: preferred name (not correct name)

• Notes:
  • 🥇 Nomenclatural type of the genus "Candidatus Sigynarchaeum" Xie et al. 2022. Publication: Xie R, Wang Y, Huang D, Hou J, Li L, Hu H, Zhao X, Wang F. Expanding Asgard members in the domain of Archaea sheds new light on the origin of eukaryotes. Sci China Life Sci 2022; 65:818-829.

Parent taxon: "Candidatus Sigynarchaeum" Xie et al. 2022

Assigned by: Xie R, Wang Y, Huang D, Hou J, Li L, Hu H, Zhao X, Wang F. Expanding Asgard members in the domain of Archaea sheds new light on the origin of eukaryotes. Sci China Life Sci 2022; 65:818-829.

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Record number: 29853