Holophragma calceoloides (Lindström, 1866) Silurian rugose coral Sweden, Gotland

Description

This is an interesting offer. Here is the nice example of
Stauriid
rugose coral
-
Streptelasma calicula
Hall, 1852
The specimen was found at  Silurian (Wenlock), Visby beds deposits near Visby, Gotland, Sweden.
Reconstruction 0%. Shipping worldwide .