Artwork Mondays: A Mysterious Sigil

What could this be?

I will be showing a finished version of this piece on Wednesday, I think. The thing is, I will not be completing the final art, and yet I may still submit it to another popular site, to see if it will be featured there. Hopefully it won't be mistaken for a skeletal frog too often.

It's been over a decade of artwork about mythical flying trilobites and their fossilized remains. It's only fitting....
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All original artwork on The Flying Trilobite Copyright to Glendon Mellow. The contents of this blog are under a Creative Commons Licence. See sidebar for details.