Figure 2. Crinoid holdfast from the first layer at the Äigu Beds; note tip of pen for scale.
Paleoenvironmental Reconstruction of the Late Silurian (Pridoli) Äigu Beds of Saaremaa Island, Estonia (Senior Independent Study Thesis by Palmer Shonk)
Figure 2. Crinoid holdfast from the first layer at the Äigu Beds; note tip of pen for scale.