Tartumycetes Tedersoo class. nov.

Type order.

Tartumycetales Tedersoo .

Diagnosis.

Distinguishable from other fungi based on a diagnostic nucleotide signature in LSU D 4 (positions 1439–1453 in type species and 1404–1418 in S. cerevisiae gatgccgcgtcgaac, one mismatch allowed). Forms a monophyletic, least inclusive clade in Tartumycota, covering sequences EUK 1186157, EUK 1200073, EUK 1186162, EUK 1123648, EUK 1138300, OQ 702816, ON 754309, UDB 028835 and HQ 191300 (Fig. 1).

Notes.

Recognized based on eDNA and single-cell sequences only. Currently harbors Tartumycetales (ord. nov.).