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Showing results for tags 'potter farm formation'.
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Small collection of fossils from the Potter Farm Formation (Alpena, MI)
Cassandra Tiensivu posted a topic in General Fossil Discussion
This is a small sampling of some of the more interesting things to come out of the Potter Farm Formation in Alpena, Michigan via one bucket of screen washed muck. Crinoid pieces: Cystoid segments: Trilobite fragments: A platyceras: Blastoids: Loads of brachiopods: And tentaculites: Not pictured are the over abundance of bryozoans. -
Here’s one (technically three) from the Potter Farm formation (Alpena, MI) that I really have no idea on. Crinoid, maybe? All three pieces are basically the same. I just set them up at different angles so you could see how they looked from different views. Any thoughts?
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I collected a bucket of muck from my favorite ditch in Alpena (Michigan), and screen washed it. This is the Potter Farm formation. There have been some very interesting things to come out from it. Most of it I can give a basic ID to, but this one has me perplexed. A friend suggested they might be disarticulated pieces of a cystoid. I have never found cystoids before, so this is completely new territory for me. Does anybody have any thoughts? Front: Back: (Sorry about the pen! I misplaced my ruler. Needed something for scale.)