Fig. 1

Tenuitholiascus porinoides (HMAS–L0139638). a Thallus. b The Phycopeltis algal partner. c Perithecia in vertical section. d Ascus (HMAS–L0139639). e Ascus (HMAS–L0139640). f Ascus apex (HMAS–L0141346). g Ascus with iodine reaction (HMAS–L0139638). h Ascus with iodine reaction (HMAS–L0141348). i Ascospores (HMAS–L0139639). j Ascospores (HMAS–L0139638). Scale bars: a = 300 μm, b = 10 μm, c = 20 μm, d, i, j = 10 μm, e–h = 5 μm