Haeckel
A series of spirally arranged chambers; outline ellipsoidal; surface spiny. Shell diameter: 80-130 µm.
Ref.: Nigrini and Moore (1979).
Haeckel
A series of spirally arranged chambers; outline ellipsoidal; surface spiny. Shell diameter: 80-130 µm.
Ref.: Nigrini and Moore (1979).
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