| Key Position: 26 | Back to (25a) |
| 26 a. Test elongate; aperture circular without lip.
SEE Figure 26 -1 |
26 b. Test flask-shaped, aperture small with 5 to 6 crenulations.
SEE Figure 26 -2 |
| FIGURE 26 -1
Difflugia oblonga Ehrenberg 1832 "lanceolata"
|
FIGURE 26 -2
Difflugia oblonga Ehrenberg 1832 "linearis"
|


