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Identification Key: 23

Key Position: 23 Back to (19b)
23 a. Test spheroidal to ellipsoidal; oral pole truncated by a large circular aperture.

SEE Figure 23-1

 23 b. Test of variable shape, pyriform to flask shaped, with or without neck, aperture circular, small or large.

Proceed to 24
FIGURE 23-1

Difflugia globula (Ehrenberg 1848)
Arcella globulus EHRENBERG 1848, p. 379
Difflugia globulus (Ehrenberg) MEDIOLI and SCOTT 1983, p. 24-25, pl. 5, figs. 1-15
Remarks: We have modified the specific term globula (formerly globulus) to agree in gender with the generic term.
Specimen from Crosswise Lake, near Cobalt, Ontario.

23a