Draw the largest sediment that fits through the midpoint between the crenulations (shown in purple).
9
For reference, draw the round sediment with a diameter the vertical distance of the shell opening (green circles).
13
191217-brachiopod_fossil.jpg
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Mittelpunkt:
Breite:
Winkel:
Höhe:
Deckkraft:
17
Equations to draw the edges of both shells. (Recommended: Do Not Change)
18
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