Thursday, December 21, 2006

Arcella sp4





Specimen #25312-313:
Diameter shell: 100.8 µm
Diameter aperture: 36.5 µm
Height shell: 157.4 µm
Bucal depth: 9.2 µm

At first I believed this specimen to be Arcella mitrata var pyriformis but if you see on pic 25313, there is no crenulations on the aperture. Unfortunately I have no pictures for the apical view.

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