Stromatopora from Gotland, Sweden

Another fine fossil that I received in trade is this Stromatoporid mound.Stromatoporids are calcareous sponges that often forms mounds or encrustations. The specimen below is from Gotland, Sweden and lived during the Silurian (Wenlock epoch).

Side 1

Top

Side 2

Underside

Profile

Thanks go out to my friend Christian for sending me this cool fossil.

I've written before about Stromatoporids that I've found in the Keyser limestone Here and Here.