Search the Community
Showing results for tags 'feeding trace'.
Hello everyone, sorry to be posting so much Florissant fossil quarry material, but I'm going through my collection of foliage and still need these ID'd. Most of these leaves are obviously pretty common, but I can't find some of them in the book Fossils of Florissant. So here they are: 1. Think it's a Fagopsis, but just double checking. 2. Don't really know, feeding traces around the edges.
I have a coprolite that has me somewhat puzzled. It was found in a river in South Carolina and dates Miocene-Pliocene. I picked it up at the Tucson Gem Show because I thought it resembled some east coast coprolites with longitudinal striations/furrows/grooves that @MarcoSr posted a while back. Now that I've looked at it for a while and done a little prep work, I'm not so sure the grooves are sphincter related. There are intestinal muscle marks visible on one side, but they don't seem to match up with the grooves. The grooves were filled with sandstone/limestone. I left matrix in the deeper por
GeschWhat posted a gallery image in Members Gallery
From the album: Double DutyHere is a microscopic view of the possible feeding trace. This to a YouTube video shows how the mouth parts of a modern urchin move while they eat. Age: Jurassic - Kimmeridgian Formation: Solnhofen Limestone (Plattenkalk) Location: Eichstätt, Bavaria, Germany