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Showing results for tags 'paleozoic'.
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Is anyone familiar with the Paleozoic formations on Bear Mountain, just northwest of Silver City, New Mexico? I have collected there a couple of times but am unsure as to which formation I was sampling. My first guess is that it is the Andrecito Member of the Lake Valley Limestone (Mississippian (Early Osage) but I know that there are also fossils found in the underlying Devonian Percha Shale, especially east of Silver City. There are a variety of brachiopods, bryozoans, rugose corals, and some crinoid bits. The photos show one of the larger brachiopods. Do you recognize it? Thanks.
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This colonial rugose coral was found in Clarksville, TN and was sent to me just a few days ago and i’m not very well versed in Cnidarian classification, any ideas on a species?
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NORWEGIAN JOURNAL OF GEOLOGY,v 100,2-6 Transition from swimming to walking preserved in tetrapod trackways from the Late Carboniferous of Bjørnøya, Svalbard Seán Thór Herron, Edward James Fleming, & Michael John Flowerdew size:slightly less than 7 mB LINK
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- topographic heat maps
- late carboniferous
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I don’t know where it was found or how old was it is. I found it at one of the cave the mounds sleuthing sites in Dane county Wisconsin, its about 3cm long and looks a bit like coral.
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This fossil was found at the North Attleboro fossil site, and I’ve had it marked down as a species of Sphenopteris but i’m not 100% certain
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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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I was given this Eurypterid fossil a while back and I was looking to see if anyone had any ideas towards a species, i’ve got no idea where it came from other than somewhere in the New England/Canada area. Someone has told me it looks like an Adelophthalamus but id like some more opinions. Thank you
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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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Relevant info first: This was found in Petoskey Michigan while looking for Petoskey stones. It was found in partially buried in sand. It is quite large and rather heavy. As pictured in picture 5, there is some sort of opening at the end? I can't get a very good picture of the inside, it's hard to get light where i need it and take a picture. the hole looks to maybe be about a 1/2 mm deep, and less than that wide. I took to reddit, albeit with less detailed photos and was told it was a straight shelled nautiloid cephalopod from the paleozoic, and that it was a brevicone, which I'm hoping someon
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Some sort of badly damaged arthropod? Do not know where it was found. Wavy lined one is around 2 cm in length Thicker one which looks like a head shield is around 1 cm in diameter and one in a half cm in length
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Hi, Recently acquired "Earth before the dinosaurs" book by Alain Beneteau. Published by Indiana University Press. Very comprehensive and well illustrated position. There are not too many books regarding paleozoic vertebrates. It gives good sense how the life looked like in the late paleozoic time. How much diversified early amphibians and mammals-like reptiles were. It is more a popular science book, but a good one. Tom
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- reptiles evolution
- early amphibians
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Request for feedback on fossil field guide visual layout
pefty posted a topic in Questions & Answers
I'm working up a series of fossil field guides for various formations. I'd like to provide a visual indicator of which fossils are rare, which are common, and which are abundant, without getting in the way of the visual layout of the fossils & identifying information. The complete set of categories I am working with is {Abundant, Common, Rare, Very Rare, Common to Abundant, Rare to Abundant, Rare to Common, Present, and Questionable}. Has anyone seen a good way that a field guide of any kind has provided such a visual indicator as a page-wide element of visual layout? Attached is my first- 13 replies
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Looking for a bit of assistance in identifying a few items... this one was found while hunting the brooks range.. they could be found everywhere at our drop off site.. mountainous valley with creek beds... Close to Happy Valley Camp
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Hello everyone! I recently received a package from @connorp filled with wonderful brachiopods! I am not exactly sure as to what the IDs for some of them are so I thought I would ask here Any help is greatly appreciated! Thank you 1. Silica shale. These look like Atrypa sp. but I am not sure what species are present in this formation. 3 cm wide 2. Same formation. Stropheodonta? 2 cm wide 3. This is from the Ordovician Liberty Formation. Rhynchonellid not sure what genus or species 1.5 cm wide 4. Some kind of strophomenid from the Mifflin Mem
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- paleozoic
- pennsylvanian
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I have one simple question, How do we know eurypterid walking legs are legs? I find eurypterids to be one of the strangest Paleozoic creatures and while looking at some pictures of them I noticed how similar eurypterid walking legs and wobbegong mouths are. I have not seen yet just a single eurypterid walking leg fossilized alone. Any help would be appreciated thanks in advance
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Here are some finds from a late August to early September long loop road trip, fossil hunting through Ohio, Michigan, Wisconsin, Indiana and Kentucky. I'll appreciate detailed specimen identification help. First photo shows brachiopods & a trilobite from the Devonian Silica Shale Formation near Sylvania, northwestern Ohio.
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Ya know, I'm great at plant identification if it's currently growing in my region. Dive back to the Paleozoic and I can tell Calamites from Cordaites, but that's about my limit without a book in hand. So far, I've had 8 and I still don't know what this is! I'm pondering the frond-like object running diagonally across the center of the picture. It looks like a fruiting body from Cordaites, but it lacks the sporophyll. It also resembles Corynepteris angustissima, but the only illustration I can find lacks sufficient detail. This came from a mid-late Pennsylvanian Lewellyn Formation e
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Hello everyone! A bit ago traded some fossils with @Max-fossils and received some really cool stuff. I have only now gotten around to photographing them and would like to ask for your help with getting accurate IDs. These are all from the Givetian/ Eifelian of Eifel, Germany. I would appreciate any help with these IDs First some corals: 1. This piece was labelled as Favosites sp.
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Hey everyone. I thought I'd share some of the things I found on my last fossil hunt. So.. Many.. Fossils! One might even say that there were a plethora of fossils. If I could, I would've taken them all with me, but sadly my backpack can only carry so many rocks. I was literally examining each rock I had, trying to decide which to carry back and which to leave behind and how many I could fit in my pants pockets before they started to fall down. Eventually I decided to just stop looking for fossils and hike back to the jeep. This lasted all of 3 seconds before I found another a beautiful by
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Hey guys, I'm back with another ID question. The fossil I'm trying to identify is in the 1st picture. I think that what I have is a fossilized brachiopod WITHOUT the shell. What do you guys think? It's the same general shape, but the color and textures of this fossil look different than others I've found in the area. The symmetrical textured part in between the two humps, I've never seen before. Pictures 1,2, and 5 show the fossil in question and pictures 3 and 4 show examples of other brachiopods that I've found. The last picture is an example of a brachiopod that was broken
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Why are crinoids usually the only type of fossil in an area?
Digi posted a topic in Questions & Answers
As the title states, why do crinoids often show up alone as the sole type of fossil in an area? There's a quarry near my house I've been to a few times that has crinoid bearing marble. I've found a few crinoid stem pieces in rocks, but I don't really understand why they're the only type of fossil (unless you count chert.) The area is Permian-Devonian, so if crinoids fossilized shouldn't plenty of other common marine animals have fossilized too? Or am I thinking too narrowly and there's a good chance they DID fossilize and I simply have to look a little deeper? I'm not too knowledgable on the p
