Here is a mounding stromatoporoid or calcareous sponge. Thanks to Dave for commenting on a early post telling me what this is. I found anot...

This fossil reminds me of stacks of pancakes or layers of paper. I am not sure if it is a coral or a sponge. It was found in a Devonian foss...

Here is an unidentified horn coral that was found in a Devonian area. It sparkles quite a bit in the sun so maybe it is quartz or calcite. F...