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Showing results for tags 'brachiopod'.
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From the album: Misha's Silurian
Strophochonetes novascotica Middle Silurian Waldron Shale Waldron, Indiana-
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From the album: Misha's Silurian
Stegerhynchus neglecta Middle Siluran Waldron Shale Waldron Indiana-
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From the album: Misha's Silurian
Apopentamerus racinensis? Silurian Racine Formation Illinois-
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From the album: Misha's Middle Devonian Fossils
Eleutherokomma diluvianoides Upper Eifelian Skaly beds Poland-
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From the album: Misha's Middle Devonian Fossils
Schizophoria schnuri with attached Craniiform brachiopod Upper Eifelian Skaly beds, Poland-
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Found a real nice exposure of the Glen Dean Formation in central Kentucky recently. Oh man did it not dissapoint. So here is some of the best crinoid material I have ever found. A calyx with partial arms, pictured with some stems and ossicles. A single ossicle, with crinoid spins, that are still sharp. Both of which are as common as gravel here. A small peculiarcalyx and crinoid cup. This massive gorgeous Pentremites sp. I found this one on my first trip, so unfortunately no scale but I will upload more of it later. More large blastoids this time around as well. It may not be as diverse, but I have only seen this quality of blastoids in the Thunder Bay of Michigan. An uncrushed Composita sp. A nice spirifid of some variety. I want to say Neospirifir but that is likely incorrect as it does not fit the range. The partial pygidium of a Kaskia chesterensis? Mm mm mm! These delicously preserved Zaphrentis spinulosum. I have some monsters of these, but again they're from a previous trip so I will post them later. I did find some gastropods and tons upon tons of crinoid stems and bryozoans as well, here is one image of them with various other pieces. The Glen Dean of Illinois occurs nearly on the same Latitude as this locality does. However it does not compare with the sheer quality and quantity to be found here in Kentucky.
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Howdy! Found this little critter today in Allegheny county, Pennsylvania. It is Pennsylvanian, Glenshaw Formation, probably Brush Creek Limestone. It's a bit different from the ones I'm used to finding and I don't see anything similar in my guides. It is approximately 1.75 cm x 1.25 cm. Even if it can't be ID'd I'd appreciate it if someone could tell me if it's brachiopod or bi-valve. Thanks in advance.
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Some brachiopod fossils and other things from the carboniferous oquirrh formation, Utah. Any help to id these fossils is appreciated.
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Fall promises to be spectacular in many ways. If you dream of colors, you will like the following. I like fossil hunting in the fall, although it's not really hunting, the fossils are underwater so it's more like fishing. Anyway, this is one of my many trips to this place, it's not very far and it allows me to go for a weekend nature walk. This is Ordovician, the site is not as beautiful or rich in fossils as the other sites we see in this forum, but it is rich in brachiopods, crinoids, bryozoans and gastropods. This time, I chose a theme to showcase my special finds of the day. It's autumn in Quebec, we see all the colors! This year the province offers an extraordinary spectacle. Due to favorable conditions, autumn 2022 is marked by an extraordinary color season. This summer the trees have not been under great stress, which is favorable for an autumn with intense colors, the next few weeks should be just as much. Indeed, the season promises to be particularly hot and sufficiently sunny. According to the expert, clear nights will follow these beautiful days, which favors the coloring of the leaves. Enjoy! For more information about my hunting site, look at my previous post which took place during winter: The day I went fishing for fossils (part I) (winter) The day I went fishing for fossils (part II) (winter) This is my little special place were I go fishing for fossils
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Large "wavy" brachiopod found in my college's wharehouse -any hints on the species?
alpha8768 posted a topic in Fossil ID
Hey there The Fossil Forum. I have an hard one for you today (or perhaps not too hard -we'll see). I usually provide my fossil's location, precise strata and geological period, but this time I can't. The thing is that I found a large, conspicuous brachiopod in my college's wharehouse with no inscription on it and I'd like to ID the species so I can use it in my class. As you can observe, the specimen is quite large (roughly 10 cm across) and has very proeminent ribs with crazy rippled growth lines. The valve symmetry is not perfect, probably because of deformation or erosion. Any idea on this one? Thanks a lot. Ventral view Lateral view along commissure Dorsal view (it was 39$ several decades ago...)
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A while back I made a quick stop at a small exposure of the Waldron Shale (Silurian) in southern Indiana. I only picked up a couple of items but since I have not previously collected the Waldron, I wanted to confirm (or get the correct ID) on two small items. I'm hoping one of our Waldron experts such as @Herb, @Ken K, @crinus or @squalicorax or anyone else that has some Waldron knowledge can help me out. The first item is a small, nicely preserved brachiopod. Based on what I could find, I suspect it might be a Stegorhynchus but I wanted to confirm this and if anyone can add a species, that would be awesome. Alternately, if you have a good suggestion for reference material for Waldron brachiopods, I'd love to know it and would be happy to read up some more. The black bar in each picture is 1 cm. This little guy is 1.2cm wide, 1.1 cm long and 0.75 cm high. The second item is a crinoid holdfast with a very obvious pentastellate lumen. Its also hard to see in the picture (due to some matrix and some pyrite growth) but under the microscope, you can see that the articular surface has crenulae that extend from the outer edge all the way to the lumen. I can also see in edge view that the individual columnals are very thin. Again, the scale bar divisions are 1 cm. I know that Eucalyptocrinus is a common genus in the Waldron, but from what I can find, it does not have a pentastellate lumen, but admittedly most of the pictures I see of it do not show the columnal cross sections. I'm hoping one of our members is more familiar with this genus that I am (not too hard to do) and can confirm that for me. In looking through Moore and Jeffords (1968) CLASSIFICATION AND NOMENCLATURE OF FOSSIL CRINOIDS BASED ON STUDIES OF DISSOCIATED PARTS OF THEIR COLUMNS, I see they have a species identified as Cyclochorax fasciatus that fits the description (and age and formation) of my specimen (see #7 and 8 in the snippet below from their Plate 23) but after a quick search, the only reference I see for this genus is Moore and Jeffords. I'm wondering if anyone is familiar with what a calyx of this genus looks like or if anyone has knowledge of some other existing Waldron crinoid that has this columnal pattern. Look forward to any and all responses and any help that can be offered. Thanks Mike
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Fossil hunting trip to Hotton (Devonian of Belgium)
ziggycardon posted a topic in Fossil Hunting Trips
Hi everyone! Last saturday we went on a fossil hunting trip with the BVP to Hotton in the Belgian Ardennes. https://www.paleontica.org/locations/fossil/667 There were 2 different locations planned for the day, the first was the "Carrière de Marenne" quarry in Hotton were we spent most of the day. It was my first time at this location, so I didn't have very high expectations but we were very pleasantly surprised by the quality and quantity of the finds which made for a very productive and succesfull trip! Unfortunately like so often I forgot to make pictures inside the quarry... So it will mainly be a report of the finds rather than the excavation. The age of the layers date back to the Givetian stage of the middle Devonian which lasted from 388 million years ago to 383 million years ago. There were 3 spots inside the quarry were we searched for fossils. We started on the east side of the quarry where we found some weathered corals, a bivalve and some bryozoans. One of our friends was very lucky when they found a fragment of Placoderm bone.. the 2nd spot we searched was still on the east side of the Quarry but this time near the big rock outcrop which devides the quarry in two pieces. Here we all hit gold as this was a large area where it was full with weathered fossils in great condition ready to be picked up! No need for hammers here, just grabbing which was laying on the ground as it was littered with corals en brachiopods. We almost collected a bucket full from this area alone. The 3rd spot was the west side of the quarry which was divided in multiple levels. I mainly searched in a large rock pile with some others as it seems these were the remains of an ancient coral bank. We found many large corals here like Hexagonaria and Favosites as well as some nice mineral specimens to much delight of my girlfriend. Someone did do the find of the day here when he found 2 extremely large Stringocephalus brachiopods. I also went with Tom, our group leader to prospect the rest of the quarry but beside some corals I didn't find much more things of interest. At the end of the trip we were given some nice mineral specimens by Tom who found some on the lowest level of the quarry which we didn't visit ourselves. Here the only photo I made inside the quarry, were my girlfriend was building a rock fortress. (Everyone was on a one hour break due to the early summer heat) And here are our finds from inside the quarry: A large Hexagonaria sp. coral which we managed the haul home, one of the perks when you bring a wheelbarrow to a quarry! Another nice Hexagonaria sp. coral And our 3rd large piece of Hexagonaria sp. coral One of the Favosites sp. corals we brought home. Another Favosites coral An our chuncky Favosites coral A weathered Hexagonaria coral. A bivalve we found early at the beginning of the search.
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From the album: Misha's Middle Devonian Fossils
Mediospirifer audaculus Givetian Windom Shale Mbr. Moscow Fm. Deep Springs Road Quarry, Central NY- 1 comment
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From the album: Misha's Middle Devonian Fossils
Floweria arctostriata Givetian Windom Shale Mbr. Moscow Fm. Deep Springs Road Quarry, Central NY- 1 comment
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From the album: Misha's Middle Devonian Fossils
Petrocrania hamiltoniae on Spinocyrtia granulosa Givetian Windom Shale Mbr. Moscow Fm. Deep Springs Road Quarry, Central NY-
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From the album: Misha's Middle Devonian Fossils
Athyris spiriferoides Givetian Windom Shale Mbr. Moscow Fm. Deep Springs Road Quarry, Central NY-
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Hello everyone, This weekend on Sunday my family and I made a short trip out to Central NY to do some fossil hunting. I was planning on doing this on my actual birthday which was on Monday but due to the weather we decided to do it earlier. As a result the trip ended up being more spontaneous, shorter than expected but still very enjoyable. The first stop was DSR, this was my second time at the quarry and although I didn't get as diverse of a selection of fossils this time (probably just being more picky), I got some nice specimens of a few new species as well as ones I already had. Here are some highlights: It was a great day for Spinocyrtia granulosa, lots of specimens, a number of complete ones. I especially like two of these This one is complete with very nice preservation and it's quite large. This one is the largest specimen I've seen. It's only one valve but in width from the wing tip to the end it measures right around 7cm, had it also had the other wing tip it would probably reach around 8cm. It also has some kind of borings around the commissure, I assume these occured after the animal died and the shell disarticulated, although I am not sure what kind of organism this comes from. I really love specimens like this as they tell such an interesting story of this long gone environment. Found a few nice Athyris spiriferoides, I really love these brachiopods and was excited about that. They were quite common this time but for some reason last trip I didn't collect a single one. A pretty nice, complete Mediospirifer auduculus This specimen I was very excited to find, I am not 100% sure but I think it might be Eoschuchertella arctostriata? Very beautiful in my opinion this is only an impression but I don't have any other specimens so I thought it was worth keeping. I believe this is Hyolithes striatus? Found a number of nice bivalves This slab has an Athyris and two bivalves, Pholadella radiata I believe Doesn't show up to well in the photo but this was a pretty nice Retispira leda I found I think this is Pleurodictyum americanum? Corals seem to be pretty uncommon here, and I don't have any Pleurodictyum in my collection so I was excited about this one. This last specimen for today left me confused, I found it exposed on the surface in pretty much the same condition it's in now. What confuses me is that the form of preservation looks very much like that seen in many lingulids, shiny black shell material. And the growth patterns also could fit that, but I've never seen any of this size or shape from DSR, so I was wondering if maybe it's some kind of bivalve, I'm really not sure with this one. I'll likely split this off into a different ID post with some other stuff later. I'm still sorting through and photographing the finds so I'll definitely update this topic more.
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Hi there, I believe I found a brachiopod fossil (pedicle valve). I'm hoping for some help identifying it more specifically - family, genus, or species? It was buried a few feet deep on an eroding, sandy hillside about 30 meters above sea level. The hill is about 2 kilometers from an inlet around the Puget Sound region of Washington state (glacial till). Please see attached photos. It looks like there might be other shells fossilized within the cavity. Please let me know if you need more info/different angle photos. Thank you in advance for any help!
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Hello all, I noticed something unusual when cleaning this rather large brachiopod steinkern. Frankly I am stumped: what do you guys think? Found in Perry County, Pennsylvania. Mahantango formation. Middle Devonian.
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Hi guys what do you think of this devonian brachiopod from morocco, thanks! @Tidgy's Dad you always have some useful insights
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This is a Crania sp. inarticulate brachiopod attached to a Eucalyptocrinites sp. calyx from the Silurian Waldron Shale from central Indiana. The calyx is 2 1/4" (5 cm) across. The brachiopod is about 3/4" across.(2cm). The blue circled item is a single element bryozoan, like the ones found in the lower Devonian Birdsong formation of central Tennessee.
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Location shows huge die-off of Sowerbyella sericea and other brachiopods in smaller numbers. The specific layer could not be determined as it was discovered at ground level on the beach. Loose as float,. The following reference has been used to aid in identification Geologie des Region de Saint-Jean (parti nord) et de Beloeil (1985) Gouvernement du Quebec - Ministere de l'energie et des Ressources Direction General de l'Exploration geologique et minerale Geologie des Region de Saint-Jean (parti nord) et de Beloeil
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There are so many brachiopods that look alike, it's hard to identify them. Is this Dalmanella sp ? I found it in the Nicolet River formation (Late Ordovician) each one is 1/2 inch
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It's been a busy summer out here in Wisconsin, but fortunately I was able to make multiple trips out to Oglesby in Illinois. Here were some of the top finds. Perepristis semicircularis, found on my second trip. The chip on the top was from my unlucky Dremel stroke. The white dots on the left are not damage, but tooth coloration. My first and only connularid, of unknown affinity. I'm pleased to have this despite it being fragmentary. What I believe to be an ameura trilobite pygidium, nicely preserved. Composita argentia found a ton of these, but this rock contained a nice presentation of them. This nice complete large brachiopod. I'd give a name, but I've seen it called like three different names in other posts, so I'm not sure myself. A nice whole neospirifer, mostly whole anyways. Lastly something I wanted to show, it almost looks like a younger smaller version of those giant brachiopods like from image five. I have about 50 pounds of rock from Oglesby now, and most of that has yet to prepped, which my family is really happy about seeing in the garage I assure you.
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Hello peeps, heres another expedition log and attempt at ID. let me know if i get any of these wrong or what you think it might be. Eldredgeops Rana trilobites. all 3 i collected seem to be enrolled, none of them had a head however. can any trilobite expert explain why that is? are they molts? or is this just a quirk of fossilization perhaps. This one was just sitting at the top of the hill in the shade of some bushes. it looked like it was always there. 1 2 3 4 This trilo seems to be enrolled as well. i am considering prepping it out if that seems like a good idea although it seems to be fragile. note the small pygidium impression in the top left. 5 Brachiopods. I think the second one is a spiriferid of some sort. 6 7 crinoid stems? 8 9 I don't know what these things are if its anything. 10 11 12 13 14 15 16
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