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Showing results for tags 'jacksboro'.
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The Dallas Paleo Society just had their annual field trip to the great Finis shale exposure at Lake Jacksboro. Roz and I went and I recognized DPS regulars BobWill, PollyM, JohnC, MarkM, and a few fairly new people. The group was about 15 adults and several kids but most everyone left pretty early except us and 2 others. I found 5 shark teeth (3 types) in various levels of complete-ness (typical) and a few really good invertebrate shells. This gorgeous large "Worthenia" was the first thing I spotted: brachiopod: "Conularia": "Brachycycloceras" (not the current name): "Petalodus" tooth (only found root and half the blade) "Cladodus/Symmorium" tooth (found 3 bases) "Aggasizodus" (old name) symphysial tooth? (Chondrichthyphiles please help with this)
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I found this at the recent Jacksboro Trip in Texas. It is Finis Shale and is from the Pennsylvanian Period. I know there are a lot of members that hunt this period and also the Jacksboro site. I posted these pics on the thread regarding the trip but thought it might be better to get an ID on this section of the forum. I am hoping someone has an idea. Found in association with echinoid plates and spines. The first image is for scale.
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Found this also in Finis shale of Graham formation, cisco virgilian series of upper penn, in Jacksboro, Texas, This specimen is one inch long. Lots of Nautiloids, Conularids, brachiopods, in the area. Any ideas??
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Here is a collection of varied specimens I collected at Jacksboro Lake a couple weeks ago in the Finis Shale. A mixed bag of: crinoid, brachiopods, pelecypods, gastropods, fusilinids, ostracods, bryozoan, corals, worm tubes, echinoderm spines, foraminifera and stuff I haven't ID'd yet.
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