Mirabilomyces Tedersoo & R. H. Nilsson, 2025

Tedersoo, Leho, Hosseyni Moghadam, Mahdieh S., Panksep, Kristel, Prins, Victoria, Anslan, Sten, Mikryukov, Vladimir, Bahram, Mohammad, Abarenkov, Kessy, Kõljalg, Urmas, Esmaeilzadeh-Salestani, Keyvan, Pawłowska, Julia, Wurzbacher, Christian, Ding, Yi, Alkahtani, Saad Hussin & Nilsson, R. Henrik, 2025, Thirty novel fungal lineages: formal description based on environmental samples and DNA, MycoKeys 124, pp. 1-121 : 1-121

Mirabilomyces Tedersoo & R. H. Nilsson gen. nov.

Type species.

Mirabilomyces abrukanus Tedersoo & R. H. Nilsson .

Diagnosis.

Distinguishable from other fungi based on a diagnostic nucleotide signature in ITS 2 (positions 205–214 cttgattagt in type species; one mismatch allowed). Forms a monophyletic, least inclusive clade in Mirabilomycetaceae, covering sequences EUK 1200676 and EUK 1124366 (Figs 1 , 53 ).

Notes.

Recognized based on eDNA sequences only. Comprises 170–200 potential species represented by sequences EUK 1201728 (forest soil in Estonia), EUK 1124366 (grassland soil in Estonia), EUK 1101799 (forest soil in Puerto Rico), EUK 1101831 (forest soil in Puerto Rico), EUK 1101652 (forest soil in Puerto Rico), EUK 1101776 (forest soil in Puerto Rico), and OU 943050 (grassland soil in Sweden).

Figures

Figure 1. Maximum Likelihood SSU- 5.8 S-LSU phylogram indicating placement of novel lineages in the fungal kingdom as highlighted in a coloured shade and red font. Previously described taxonomic clades are collapsed. All branches of Sumavosporidiomycetes and Gelotisporidiomycetes are shortened two-fold. Poorly supported branches with bootstrap values below 95 % / 99 % are indicated in blue. The original tree with bootstrap values and uncollapsed branches is indicated in Suppl. material 1.

Figure 53. Maximum Likelihood SSU- ITS - LSU phylogram indicating the position of Mirabilomyces abrukanus within Mirabilomycota, with ultra-rapid bootstrap values indicated (for higher-level classifications mainly). Other genus-level groups are collapsed. Kickxellomycota spp. were used as an outgroup.