| Strain(s) |
UTEX SNO71 |
UTEX SNO66 |
CCCryo 005–99, CCCryo 047–99 |
| Cell shape |
inverted teardrop, prominent posterior tail |
ellipsoidal to elongate-ovoid, rounded posterior end |
ellipsoidal to spindle, rounded posterior end |
| Cell width × cell length |
6.6–12.4 μm × 20.2–28.6 μm |
4.9–9.3 μm × 13.8–18.6 μm |
10.2–15.6 μm × 18.2–30.8 μm |
| Chloroplast shape |
cup-shaped, seemingly composed of elongate platelets |
cup-shaped, seemingly composed of angular discs |
cup-shaped, seemingly composed of angular discs |
| Eyespot |
absent |
absent |
present |
| Number of zoospores formed within the parental cell wall |
up to 16 |
2 or 4 (rarely 8) |
2 or 4 (rarely 8) |
| Cell aggregates in culture |
not observed |
not observed |
observed |
