Lucid_Bot Posted February 12, 2023 Share Posted February 12, 2023 (edited) Howdy! I'm finding some beautiful stuff digging in the Glenshaw Formation of Allegheny and Beaver counties. Hoping to find out/confirm what they are. The limestone finds I believe are from the Brush Creek Limestone. As usual, all help is greatly appreciated, thanks! Side view of Wilkingia? Never saw round leaves before Spiropteris? Sigillaria bark? Some sort of bone or root of a Petalodus tooth? Edited February 12, 2023 by Lucid_Bot Meant Beaver County not Butler 4 Link to comment Share on other sites More sharing options...
Advantage Posted February 12, 2023 Share Posted February 12, 2023 Nice specimens you found, I will let others provide a good positive id though. 1 1 Link to comment Share on other sites More sharing options...
Rockwood Posted February 12, 2023 Share Posted February 12, 2023 Spiropteris From the forum. Link to comment Share on other sites More sharing options...
cngodles Posted February 12, 2023 Share Posted February 12, 2023 Wilkingia and Petalodus ohioensis for sure for the two you called out. For the Wilkingia you are looking down at the umbo for either valve (bottom right of the photo) For Petalodus ohioensis, it is mostly the root there. The cutting edge on the crown is probably ejected somewhere. 1 Fossils of Parks Township - Research | Catalog | How-to Make High-Contrast Photos Link to comment Share on other sites More sharing options...
Lucid_Bot Posted February 12, 2023 Author Share Posted February 12, 2023 5 hours ago, cngodles said: For Petalodus ohioensis, it is mostly the root there. The cutting edge on the crown is probably ejected somewhere. Does it look like it fits here? Link to comment Share on other sites More sharing options...
cngodles Posted February 12, 2023 Share Posted February 12, 2023 13 minutes ago, Lucid_Bot said: Does it look like it fits here? If you collected the rock at the same place, yes. I’ve collected quite a few with half on one rock and the other half on another. Another common occurrence is when you split a rock and spy the mold on one half. Panic sets in as you hope the other half is still intact somewhere. 1 Fossils of Parks Township - Research | Catalog | How-to Make High-Contrast Photos Link to comment Share on other sites More sharing options...
Lucid_Bot Posted February 12, 2023 Author Share Posted February 12, 2023 1 minute ago, cngodles said: If you collected the rock at the same place, yes. Same place same day. Link to comment Share on other sites More sharing options...
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