Derived data supporting analyses in the study by Prasoodanan, Maistrenko et al, "A census of hidden and discoverable microbial diversity beyond genome-centric approaches".Preprint (v1) available: https://www.biorxiv.org/content/10.1101/2025.06.26.661807v1 Uploaded files are used in analysis code available under https://github.com/grp-schmidt/ms-census/tree/main Note that for several large data package, data for only a subset of archaeal marker genes are included (see preprint and code repository for details).