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Found 11 results

  1. Possible Texas Bactrites

    I found this at the Lost Creek Dam site at Jacksboro Texas. It is the Finis Shale Member of the Graham Formatoion in the Upper Pennsylvanian Sub-period. I don't often find the apical end of any nautiloids so I was thinking it could help with the ID. There is a dark spot on the oral end that may or may not be the siphuncle, it is not clear. I thought it may be a Bactrites but it would be one without the hemispherical apex and constriction you see on some. It also has a cameral ratio higher than some Bartrites at around 3. I don't know what the black dots are.
  2. Upper Pennsylvanian fish parts?

    I found this weathered out near creek. Upper Pennsylvanian, Eastern Flint Hills, Kansas. Fish parts??
  3. I have found several of these at the Pennsylvanian Sub-period site in Jacksboro Texas. I've always had a good idea of what they were and never thought others might have different views until I brought up the question. If you know or have ideas post a reply and lets get a consensus of opinions before I say what I think. I didn't post this in “fossil ID” because I think I already know and I also want to discuss why they appear the way they do so give your opinion of that too. I recently found some that suggest an answer to that too. They may have already been discussed or even written about so if you know of a paper or old topic on them please post a link. I couldn't think of a good term to use for a search. Scale is mm.
  4. Jacksboro Texas Goniatite

    I having trouble finding out what Upper Pennsylvanian Goniatite this is from the Graham Formation, Finis Shale Member. Found at the Lost Creek Spillway site near Jacksboro Texas. It is very evolute with the whorls barely overlaping. This view shows the compressed whorl section with a rounded venter. These show the flanks with sutures The venter and a rough drawing of the suture
  5. Hexacorallia, 2 in 1?

    I found this by the side of gravel road so difficult to say formation, but I'll go with upper Pennsylvanian. I think I'm seeing syringopora in the majority of this rock. There's also a small area that looks like aulopora growing on net-like bryozoan. If you can verify any of this, please do. Thanks.
  6. Unknown from Jacksboro Texas

    I found this at the Lost Creek dam spillway in the Finis Shale of the Upper Pennsylvanian at Jacksboro Texas. The patterns remind me of cartilage. other side edge more photos in reply
  7. Help With a Gastropod

    I found this gastropod at the Lost Creek Dam site near Jacksboro Texas. It's the Finis Shale member of the Graham Formation, Upper Pennsylvanian Period. It has transverse costae which are more closely spaced and angle downward left to right compared to other high spired gastropods found there like Pseudozygopleura sp. My only resource is the book of index fossils and the closest thing I see there is Hemizyaga sp. but it is not on the fauna list for the site. Scale in mm.
  8. Crinoid Help- Plus Suspect Item

    Upper Pennsylvanian I'm unsure of the formation, other than it is likely Lansing group (Missourian Series), with a chance of being Douglas group (Virgilian Series). Found atop a weathered limestone exposure along with numerous small horn corals; various small brachiopods- small chonetids being predominant; very small crinoid columnals, and sparse plates and spines. The three larger specimens are bullet shaped, ~1cm long and ~1cm wide. The slightly smaller suspect item is more of an ovoid shape, ~1cm long and ~7mm at the widest point. Other differences include a deeper center hole in the ovoid specimen that measures ~4mm. The other three are more of a shallow depression. Fine surface detail appears different between the 'bullets', and the 'ovoid'. No apparent stem attachment point on any of the specimens. Closeup of tops: Bullet: Ovoid; Surface details: Bullet: Ovoid: I would like to mention that sponge has been suggested as a possibility for the ovoid shape. Thank you for looking!
  9. Muncie Creek Shale Concretion

    Hi all, I found what appears to be a dermal dentical in a Muncie Creek concretion. At first I thought maybe Petrodus, but the structure seems much smoother with a flatter base and a more abrupt rise in the center. Field of view = ~1cm: Attempt at a slightly oblique view: I've also found what I believe is the same thing in the same concretion, but viewed from the bottom as it is deeply concave: Any ideas? Thanks for looking. Steve
  10. Possible Phyllocarid Telson?

    While searching for conodonts in black platy shale, I ran across this. The scale is mm. The conodonts found are ~1mm, so this is much bigger. Upper Penn. I think Lansing group, Stanton Ls., Eudora sh. I'm guessing Phyllocarid telson bristle. Any ideas? Continued...
  11. Odd Little Items

    Upper Pennsylvanian Guessing Kansas city Group- Lane Shale- Wyandotte Limestone First a summary of the site: Nothing of note found at the limestone layer on the bottom The shale layer above contains some heavily pyritized pelycepods, Trepospira gastropods, and crinoid. Found one horn coral and alot of little cylindrical shaped pyrite(?) pellets, about +/- half inch in size. The limestone at the top is very fossiliferous, with different brach species, crinoid columnals, horn coral, and the occasional echinoid spine, all firmly imbedded and weathered. The items in question were found in the rubble beneath the upper limestone exposure. From the shale: First item for id Size approximately 10mmX8mm #1 #1a #1b #1c #1d The underside appears to be a fragment of the same thing, but there is no symmetry at all, as if it became cemented to the other side: #1e #1f Continued...
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