Info

Note. ?, Data uncertain; —, no data available. ' 550-50 /im under laboratory conditions (Schmid, 1990, p. 109).

Note. ?, Data uncertain; —, no data available. ' 550-50 /im under laboratory conditions (Schmid, 1990, p. 109).

TABLE 20b Processes in Coscinodiscus spp.

Species

Margin rings

Areolae from margin

Areolae apart

Scattered on valve face

Group A

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