Tuesday, June 18, 2013

Cnemidiastrum rimulosum sponge from Poland

I've not displayed many sponges on this blog with the only other instance being these specimens from the Waldron Shale. Below is a specimen from the Jurassic of Poland. I purchased it from a seller on E-bay. I think it's classified as a Cnemidiastrum rimulosum but I could be wrong.

Side profile
Side detail
Rim detail
Inner surface detail

This fossil came from near Zalas, Poland and comes from Oxfordian stage (Jurassic) rocks.

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