Ryujinia shimokita and the associated higher ranks have been validated in SeqCode:
https://registry.seqco.de/registers/r:zf1yjhk0
…including Ryujiniota phyl. nov. (former UBA6262)
Effective publication: Sun et al. (2025). Metagenomic insights into taxonomic and functional patterns in shallow coastal and deep subseafloor sediments in the Western Pacific. Microbial Genomics. DOI:10.1099/mgen.0.001351