Key Position: 8 Back to (7a)
8 a. Test comprised of curved siliceous rods, with neck.

SEE Figure 8-1

 8 b. Test made of siliceous plates, without neck.

Proceed to 9
FIGURE 8-1

Lesquereusia spiralis (Ehrenberg 1840)
Difflugia spiralis EHRENBERG 1840, p. 199
Difflugia spiralis Ehrenberg EHRENBERG 1872, p. 274, pl. 3, figs. 25-27 Lesquereusia spiralis (Ehrenberg) PATTERSON, MacKINNON, SCOTT, and MEDIOLI 1985, p. 135, pl. 2, figs. 9, 12
Lesquereusia spiralis (Ehrenberg) REINHARDT et al. 1998, pl. 1, fig. 9
Specimen from Peterson Lake, near Cobalt, Ontario.