tekknoir Posted February 6 Share Posted February 6 Hi all, Was wondering if anyone has any ideas on this one. I'm thinking maybe some kind of coral or sponge, but I'm not sure. Found in Truth or Consequences, NM. There are quite a few Pennsylvanian marine fossils in the area. It's pretty heavily mineralized, but if you look carefully at the photo with the scale, there are two dark strands running across the center that are segmented. Thanks for any input! Link to comment Share on other sites More sharing options...
Lone Hunter Posted February 6 Share Posted February 6 Not a sponge, I think the black is a crinoid lumen but I could be wrong. Link to comment Share on other sites More sharing options...
Jaybot Posted February 7 Share Posted February 7 Favosites? https://en.m.wikipedia.org/wiki/Favosites Also, cropped and brightened: 1 -Jay ''...science is eminently perfectible, and that each theory has constantly to give way to a fresh one.'' -Journey to the Center of the Earth, Jules Verne Link to comment Share on other sites More sharing options...
Darktooth Posted February 7 Share Posted February 7 I agree with favosites I like Trilo-butts and I cannot lie. Link to comment Share on other sites More sharing options...
Missourian Posted February 7 Share Posted February 7 It could be a chaetetid sponge. These are common in the middle Pennsylvanian (Moscovian/Desmoinesian) 1 2 Context is critical. Link to comment Share on other sites More sharing options...
Jaybot Posted February 7 Share Posted February 7 23 minutes ago, Missourian said: It could be a chaetetid sponge. These are common in the middle Pennsylvanian (Moscovian/Desmoinesian) Good suggestion, found this diagram of a chaetetid That was actually the first time I'd heard of the Chaetetid. Interesting structure -Jay ''...science is eminently perfectible, and that each theory has constantly to give way to a fresh one.'' -Journey to the Center of the Earth, Jules Verne Link to comment Share on other sites More sharing options...
tekknoir Posted February 7 Author Share Posted February 7 3 minutes ago, Jaybot said: Good suggestion, found this diagram of a chaetetid I was just looking at that, too. Very similar, but the structure on the top of mine seems more regular. Almost perfect hexagons. I'm leaning towards the fasovites consensus. Link to comment Share on other sites More sharing options...
TqB Posted February 7 Share Posted February 7 (edited) Favosites itself became extinct in the Devonian and I don't think there are Carboniferous favositids that are very similar and with such a small tube diameter. Chaetetes is extremely likely and abundant. I don't think yours is uniformly that regular and patches of Chaetetes are a good match. Edited February 7 by TqB 1 2 Tarquin Link to comment Share on other sites More sharing options...
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