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Showing results for tags 'mississippian'.
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I found this in the bank of the Iowa River amongst a nice collection of brachiopods. I have been trying to visualize an ancient living creature at the center of this rock, but I suspect my great discovery is nothing more than some type of weird rock. Would really appreciate your expertise and opinions! I have included photos of Left outside Right outside Middle Left middle Right middle Closeup Fossils from reference layer. IMG_0976.HEIC IMG_0975.HEIC IMG_0972.HEIC IMG_0971.HEIC IMG_0970.HEIC IMG_0969.HEIC IMG_0968.HEIC
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Does anyone have any idea what kind of brachiopod this could be? I'm sure we can't identify the species, but maybe the family or even the genus? Carboniferous Serpukhovian Bear Gulch Montana
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I had some spare time this past weekend, and a fossil hunt sounded nice. Bad weather had made that impossible the previous month. The weather was great out finally, so I went out Sunday (3/7/2021) to good old Truman Lake to look for Burlington Formation crinoids. I mainly just wanted to find and keep nicer, intact crinoids that day. It's a good walk to the crinoid hunting grounds from my car, and there is fossiliferous chert material along the way. I decided to split one chunk of chert, which contained only one single platyceras gastropod steinkern. After finishing work on it, I hi
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- missouri
- mississippian
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I found this fossil today in the Missouri Ozarks - we find fossils from the Mississippian period here. It is small: for scale I could probably just fit the tip of my pinky in it. We have lots of brachiopods, bryozoans and crinoid fossils around here but I have never seen this sort of interlocking "spine" (I know its not a spine). Does anybody know what this is a part of?
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Work and weather have kept me from doing much fossil collecting these last couple of months. But I was finally able to photograph finds from my last outing. I found some interesting stuff I think. We'll start with my favorite find.. This is the large blastoid Xyeleblastus magnificus. They're always found crushed to some extent (even the holotype.) This is only the second blastoid I've found in the Fort Payne! Did well with the crinoids that day A very nice Agaricocrinus sp. with the stem attachment point exposed (they
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- mississippian
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In September, the desire to collect the Burlington Formation, Mississippian of Iowa got the best of me, “forced” my truck to make a little road trip down that way. The trip was about 4 hours, necessitating an overnight stay. Covid was running rampant, compelling me to sleep in the back of my pickup and eat out of a cooler full of food instead of motels and restaurants. This left a 64 year old man a bit stiff in the morning. The nice thing about the Burlington, it did not tax my body too much, allowing me hunt my allotted 8 hours with ease. Normally the Burlington is searched for crinoid specim
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I run across these guys frequently in the Mississippian Redwall Limestones around Arizona's Verde Valley. They are generally accompanied by lots of Crinoids and solitary Rugose Corals. They're always this oval shape with segmented structure. They look like an isopod, to me, but could be some other crustacean. Any help out there for the identification of these "bugs?"
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This little thingy was in Mississippian Redwall limestone in central Arizona. It was in a section of the Redwall with very few other fossils. It's about 10mm long and 7mm wide. What do you think?
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Hi everyone, its been a while since I posted here so wanted to share some of my favorite finds from the past few months. Ive mainly been hunting in the marine Blackhall Limestone at various sites across the Midland Valley of Scotland. Although there are several fossiliferous marine limestone and shale bands of similar age and depositional environment in the Midland Valley, the Blackhall seems to be by far the most productive and also tends to have the best preservation. Ive mainly been looking for chondrichthyan teeth, crinoid cups and jellyfish so I'll post these first, I have had a few nice
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- lower carboniferous
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Fossil brachiopod Schellwienella sp. EDIT: Updated pictures and stratigraphic information.
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- united states
- alabama
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Fossil Brachiopod Diaphragmus cestriensis EDIT: Updated pictures and stratigraphic information.
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- phanerozoic
- productida
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It's been a long time since I've written a trip report. Not that I wasn't hiking, I was hiking like mad and finding stuff. Just didn't get around to documenting in the latter part of 2020. Too much craziness. A couple of days ago, I went in search of an extremely elusive shale formation, that contains some of the loveliest ferns I have seen. My records show I specifically planned 13 hikes last year trying to find another exposure. That was over 100 miles of fruitless searching. Zero. Zilch. Well, two days ago I found another small exposure. Scenic photos of the journey
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This fossil(?) was found on the roof of a cave in the Renault or Ste. Genevieve Limestones in Kentucky. Mississipian period. I apologize for no scale. It is about 6 inches long I talked to some usgs fossil guys but they weren't sure. They thought it could be from an armored fish. It is unlike any fossil I've ever seen. I originally thought it was just chert, but on closer look, it appeared to have bilateral symmetry. It seems like whatever was in there was replaced by the chert. Although, I'm not really familiar with how fossils form. EDIT: the fossil was very much 3D. Th
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I've had some difficulty narrowing down the identity on some assorted brachiopods. The diagnostic features may not be preserved but I figured I'd post them here to see if anyone knew. @Tidgy's Dad Any ideas? The first is a single large valve from the Warsaw Formation in Fenton, Missouri (The old Meramec Bridge site). I've been able to track down most species reported from here and identify everything else but this one is harder. The wear doesn't help. The second are a couple o Echinoconchidae valve casts in chert from a creek in Lincoln County, Missouri. It
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- warsaw formation
- mississippian
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When it comes to fossils, I am a generalist by nature. I haven't met a fossil that I didn't like! However, in an attempt to narrow my focus a bit, I have decided to take a cue from Adam ( @Tidgy's Dad ) and start this thread. I hope to showcase some of my collection, but more importantly have a central place to post IDed specimens, information I have found regarding them, and/or ask for help with IDs. Hopefully other's will get enjoyment from seeing the specimens and potentially learn a thing or two. So come along on my journey through the Carboniferous! If you haven't had the plea
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- kentucky
- carboniferous
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Kaskia sp. pygidium.
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Kaskia sp. pygidium.
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Archimedes sp. located at the center of the plate.
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Archimedes sp. located at the center of the plate.
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During my third trip to a Fern Glen outcropping, I came across this specimen. It doesn't really resemble anything else I've found there. Luckily the "spines" are pretty sturdy, and I didn't break any of them when digging it out. Any ideas?
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- fern glen
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I found this coral several months ago in the Late Mississippian Mauch Chunk Group of West Virginia. I admit that it is a worn example, but it is the only Carboniferous tabulate coral that I have found so far. My initial guess is Michelinia sp. Is there enough there to make an identification? Any help is greatly appreciated!
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Every now and then I find something odd on the ground in the backcountry. Do not feel this is a fossil. At first glance I thought this was just some siliceous ooze with intricate folds. At second glance I noted the broken surfaces were not conchoidal as one would expect with silicate materials. It almost appears like extremely fine-grained basalt on the broken ends Specimen is 1.5" (38mm) long and 1.25" (32mm) wide. Thickness is 3/8" (8-9mm) I'll call this the top view. Primarily very dark black Bottom view has a decided reddish cast
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Could this be a sponge? Note the radial structure and the occasional branching rods. Collected in Missouri, but location and age are unknown. Also, the specimen is sawn to 3/4" thick and the fossil doesn't extend into the sawn area! There is a lot of tiny crinoidal hash in the matrix rock. The light blue grid is one inch.
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The photo shows several nodules embedded in Redwall Limestone (Mississippian) along highway 89a west of Jerome, Arizona. Also in this layer are crinoids, brachiopods and solitary rugose corals. I think I've read about these in the dim, dusty past, and I seem to recall that they are not fossils, but some other geological phenomenon. Any help?
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Its been a long time since I last posted any finds, so I thought I'd show you folks what Ive been finding so far. Ive been out a lot this year, and have done quite a bit of exploring. I haven't taken pics of everything yet but Ill add to this as I do. This past summer I took a trip to west Tennessee to an exposure of the Coffee Sands, a Late Cretaceous formation. I was able to find the site, but unfortunately, I found no fossils there. Luckily there was an exposure of the Lower Devonian Birdsong Shale nearby! This site exposes the 'brachiopod zone' which is the bottom of the format
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