| Helicoma acropleurogenum GZCC 22-2035 | 118–389 μm long, 5.5–8.5 μm wide (x ̄ = 219 × 6.5 μm, n = 20) | 20–32 μm long, 5–8 μm wide (x ̄ = 25 × 6 μm, n = 20) | 21–24 μm diam. and conidial filament 8.5–10.5 μm wide (x ̄ = 22.0 × 9.5 μm, n = 20), 48–58 μm long | 6–7 | pale brown | tightly coiled 1 ½ – 1 ¾ times | Lu et al. (2023) |
| Helicoma inthanonense MFLUCC 11-0003 | (14.5 –) 26.5–34 (- 42) μm in diam., 3 μm wide | NA | (10 –) 13–20 μm in diam., 4–7 μm wide (x ̄ = 14 × 6 μm) | 7 | hyaline to brown | NA | Boonmee et al. (2011) |
| Helicoma hydei MFLUCC 18-1270 | 135–310 μm long, 4.5–7.0 μm wide | 13–37 μm long, 4.5–7.0 μm wide | 19–30 μm diam. (x ̄ = 25.0 μm, n = 20), conidial filament 6–12 μm wide (x ̄ = 8.1 μm, n = 20) | NA | pale brown to brown | tightly coiled 1–1 ½ times | Liu et al. (2019) |
| Helicoma dennisii NBRC 30667 | 3.5–5 µm wide at the basal part and tapering to 3–3.5 µm wide at the apical part, up to 190 µm long | 1–1.5 × 0.5–1 µm | 10–15 (13.5) µm in diam.; conidial filament hyaline to dilute fuscous, 4–5.5 (4.5) µm thick | 6–9 (8) | Hyaline | tightly coiled 1 ¼ – 1 ¾ (1 ½) times | Zhao et al. (2007) |
| Helicoma oleifera ZHKUCC 24-0121 | 145–360 μm long, 6.5–7.5 μm wide (x ̄ = 235 × 6.8 μm, n = 20) | 13–22 μm long, 5–7.5 μm wide, tiny tooth – like protrusions (1.3–2.3 μm long, 1.4–2.5 μm wide) | 18–22.5 μm diam. and conidial filament 6.8–9 μm wide (x ̄ = 20.4 μm diam., 8.2 μm wide, n = 50), 45–55 μm long | 8 | pale brown to brown | tightly coiled 1 ½ times | This study |
| Helicoma guttulatum MFLUCC 16-0022 | 74–182 (197) μm long, 4–6 μm wide (x ̄ = 120 × 5 μm, n = 20) | NA | 18–23 μm diam. and conidial filament 6–8 μm wide (x ̄ = 20 × 7 μm, n = 20) | 8–9 | hyaline to pale brown | tightly coiled 1–1 ½ times | Hyde et al. (2016) |
| Helicoma guttulatum ZHKUCC 24-0139 | 75–225 μm long, 5.5–6 μm wide (x ̄ = 152 × 5.7 μm, n = 20) | 10–29 μm long, 5–8.8 μm wide, tiny tooth – like protrusions (1.6–3.5 μm long, 1.6–2.5 μm wide) | 21–30 μm diam. and conidial filament 7.2–10 μm wide (x ̄ = 25 μm diam., 8.4 μm wide, n = 50), 48–69 μm long | 8–9 | pale brown | tightly coiled 1 ½ times | This study |
| Helicoma rufum MFLUCC 17-1806 | 110–210 μm long, 7–8.5 μm wide | 9–14 μm long, 5.5–8.5 μm wide, tiny tooth – like protrusions (2.5–3.6 μm long, 1.5–2 μm wide) | 35–45 μm diam. and conidial filament 4–5.5 μm wide (x = 41 × 4.5 μm, n = 20), 240–410 μm long | 27–37 | hyaline to pale brown | coiled 2–3 times, becoming loosely coiled in water | Lu et al. (2018 b) |
| Helicoma rufum ZHKUCC 24-0143 | 150–270 µm long, 4–7.5 µm thick (x ̄ = 225 × 5.9 μm, n = 20) | 7–15 μm long, 4–7 μm wide, tiny tooth – like protrusions (3–6 μm long, 1.5–3 μm wide) | 21–47 μm diam. and conidial filament 2–5 μm wide (x ̄ = 36 × 3.8 μm, n = 40), 145–345 μm long | 25–35 | hyaline | tightly coiled 3–4.5 coils | This study |
| Neohelicosporium hyalosporum GZCC 16-0076 | up to 540 μm long, 4–5.5 μm wide | 9–13 μm long, 4–5.5 μm wide | 25–33 μm diam. and conidial filament 3–4 μm wide (x ̄ = 28 μm diam., 3.5 μm wide, n = 50), 125–225 μm long | NA | hyaline | tightly coiled 2.5–3.5 times, becoming loosely coiled in water | Lu et al. (2018 a) |
| Neohelicosporium ovoideum GZCC 16-0064 | up to 420 μm long, 4–6 μm wide | 10–15 μm long, 4–6 μm wide | 25–35 μm diam. and conidial filament 3–4 μm wide (x ̄ = 28 × 3.5 μm, n = 50), 180–230 μm long | multi – septate | hyaline | tightly coiled 2–3 times, becoming loosely coiled in water | Lu et al. (2018 b) |
| Neohelicosporium guineensis ZHKUCC 24-0113 | 50–160 μm long, 4–6 μm wide (x ̄ = 120 × 5.2 μm, n = 10) | 11.5–20 μm long, 3.5–5.5 μm wide, tiny tooth – like protrusions (1.4–2.7 μm long, 1.2–2 μm wide) | 16–20 μm diam. and conidial filament 1.8–3 μm wide (x ̄ = 18 μm diam., 2.4 μm wide, n = 50), 90–130 μm long | 11–12 | hyaline | tightly coiled 2 ½ – 3 ½ times, loosely coiled in water | This study |
| Neohelicosporium fusisporum MFUCC 16-0642 | NA | 12 – 20 μm long, 1.5–2.5 μm wide | 18–22 μm diam. and conidial filament 1.5–2.5 μm wide (x ̄ = 18 μm × 2 μm, n = 50), 100–150 μm long | multi – septate | hyaline | tightly coiled 2 ½ – 3 ¼ times, loosely coiled in water | Jayasiri et al. (2017) |
| Neohelicosporium xishuangbannaensis ZHKUCC 24-0119 | 40–125 μm long, 3–6 μm wide (x ̄ = 68.4 × 4.4 μm, n = 20) | 7–14 μm long, 2.5–5.5 μm wide, tiny tooth – like protrusions (1.8–3.3 μm long, 1.1–2.3 μm wide) | 16.5–20.5 μm diam. and conidial filament 1.8–3.2 μm wide (x ̄ = 18.5 μm diam., 2.4 μm wide, n = 50), 90–125 μm long | 9–13 | hyaline | tightly coiled 2–3 ¼ times, loosely coiled in water | This study |