The following are images of Pennsylvanian seed fern fossils in my collection. Members of the Fossil Forum have generously provided comments, insights and corrections to many of these images; comments/suggestions/corrections from readers are welcome! It should be noted species names followed by a question mark indicate that these names are likely but not definitive. Specimens from eastern Kentucky were found in abandoned coal mines on private farms
I am including images of the following specimens:
1) Alethopteris serlii(?) from the Pennsylvanian in eastern Kentucky
2) Crenulopteris acadica(?) from the Pennsylvanian in Mazon Creek, IL
3) Diplazites(?) unita(?) from the Pennsylvanian in Mazon Creek, IL
4) Eusphenopteris rotundiloba(?) from the Pennsylvanian in eastern Kentucky
5) Eusphenopteris obtusiloba Brongniart from the mid Pennsylvanian (~310 MYA) in the Westphalian B from Upper Silesia in Poland
6) Laveineopteris rarinervis(?) from the Pennsylvanian in eastern Kentucky
7a) Lyginopteris hoeninghausi is from the Pennsylvanian Pottsville formation in Jefferson County AL
7b) Closeup of the Lyginopteris hoeninghausi specimen in 7a
8) Mariopteris nervosa (?) from the Pennsylvanian in eastern Kentucky
9) Senftenbergia plumosa from the Pennsylvanian in Upper Silesia, Poland
10) Sphenopteris spinosa (?) from the Pennsylvanian in eastern Kentucky
11) Pecopteris(?) from the Pennsylvanian in eastern Kentucky
12) Macroeuropteris scheuchzeri(?) from the Pennsylvanian in Mazon Creek, IL
Lastly I have included one image of a Devonian Glossopteris(?) specimen possibly by Australia?
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Image Comments
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By Wrangellian · Posted
Are these items sitting on a partial hexactinellid sponge? I see a recilinear pattern on the whole upper surface of the matrix. Or is it just a fenestrate bryozoan? Are there any rectilinear bryo's that can mimic hexactinellids?
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By Notidanodon · Posted
spectacular
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By Sonickmonx · Posted
Gorgeous! How do you get such beautiful pictures?
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By Bringing Fossils to Life · Posted
To me this looks like either a fish plate or a crinoid ossicle. Size would be helpful in determining which one it is.
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By C2fossils · Posted
If only it was complete, But it is still awesome!
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By Samurai · Posted
Yeah it was definitely weathered out, the reason why I couldn't find the rest of the amphiscapha is because that was the end piece poking out. Sadly I found this a few days before I moved (go figure lol) but I have found huge bellerophons in the Kereford limestone before but never trilobites. The exposure is really small compared to stuff down in Kansas but if you are prepped for some knee deep river action its an alright place. I might be heading back later this month as im doing an independent study on my old fossil sites/giving the localities to my geology professors for future students to enjoy. Ill have to quickly make a few other glances and grab some slabs when I head back up.
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By Collector9658 · Posted
Great find! Was the specimen weathered loose? I ask because the elusive Ameura trilobites I found in Nodaway County had either silver, or a chocolate brown colored shell. Most of the weathered out specimens had turned a white coloration.
It's definitely worth going back out to that locality, and looking over that specific layer well. I would be trying to pull large slabs of it out, if possible to take home and carefully split.
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