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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

Found 40 results

  1. Hello, I have been a long time member of the fossil forum, but I have never posted before. I live in south Florida and I am planning on making a trip up to northwestern Georgia, northeastern Alabama, and southeastern Tennessee for two or three days and I was wondering if anyone had any suggestions on fossil hunting sites in the region. Any recommendations would be greatly appreciated.
  2. Id those please.

    Hi everyone, i have those two from eocene marl layers, can you identify them ?
  3. Hi Everyone, I suddenly have a work trip to the Black Hills of South Dakota coming up next week and I'd like to get out and collect some fossils along the way. I'm driving from Denver to Lead, SD and will be driving north on HW 85 and 18 through Newcastle. I'd be really happy to get a few stops in along the way and any potential information would really be great. Unfortunately, I won't have a ton of time to be able to stop and really dig, so some road cuts or target formations would be super helpful for surface collecting. I'm open to every type of fossil. I know there's a lot of fossils in that section of the state so I'm looking forward to hopefully finding some decent stuff! Thanks! Caleb
  4. Maastrichtian asteroids

    Recommended,and then some Gapalbed13.pdf As usual with this journal, excellent paleobiological information & documentation. There has been a post regarding Moroccan an asteroid accumulation possibly being fake,but at the moment I can't find it.
  5. Crown Point Formation

    Recently, I have obtained a Wikipedia account so that I could update articles on some of Vermont’s geologic formations. The first of which I have made is the Ordovician age Crown Point Formation, in which I have collected many rocks completely covered in fossil invertebrates. Although I am unsure as to how far this formation goes (possibly extending into New York as well),localities known for having some of the most fossils from the formation include the towns of Panton and Isle La Motte. In creating the list, my main source of information was Paleontology of the Lake Champlain Basin in Vermont, as well as my own observations of what fossils were collected by myself and other members of the Burlington Gem & Mineral Club when we collected specimens from private quarries in Panton, VT last October. However, as my main source was written in 1962, the names and classification for some of the fauna included in the list may have names that are dubious, and the list itself if subject to change. If there is any further information that should be added to the article, please let me know, or edit the page responsibly (basing your facts/information with resources). Note: I have not added algae & porifera yet, so this post (and the Wikipedia article) will be edited. The Crown Point Formation Cephalopods Maclurites magnus Stereospyroceras champlainensis Vaginoceras oppletum Vaningenoceras sp. Proteoceras perkinsi Proteoceras pulchrum Plectoceras jason Nanno sp. Trilobites Bumastus erautusi Bumastus globosus Cryptolithus tesselatus Eoharpes antiquatus Flexicalymene senaria Isotelus gigas Pliomerops canadensis Vogdesia bearsi Echinoderms Dendrinocrinus alternatus Brachipods Atleasma multicostum Camerella varians Macrocoelia champlainensis Corals Streptelasma expansum Foerstephyllum wissleri Lambeophyllum profundum Bryozoans Praspora orientalis Rhinidictya fenestrata Stictopora ramosa
  6. Kentucky invertebrates

    Couple of fossils found in the fort Knox region. Not too impressive but pretty cool none the less. Let know what you think.
  7. Brachiopoda / Bivalvia Help!

    Greetings from Greece!, Need help with the id of this fossil,I am guessing genus glycymeris maybe? Thanks in Advance!!
  8. This question just crossed my mind today, seemingly without provocation: What are the oldest known coprolites in the fossil record, whether from vertebrates or invertebrates? I know of Paleozoic coprolites, but is there any evidence of coprolites before that, perhaps from the Ediacaran? And if there are no pre-Cambrian coprolites recorded, what are the oldest known from the Paleozoic? I have a feeling that @GeschWhat might know a thing or two about this subject since, after all, she is the official Queen of Poopiness on TFF.
  9. Brachiopods

    As with my other posts so far, I should preface this post by saying that the Paleozoic, marine ecosystems, and invertebrates are not generally my primary expertise, so I apologize if I am wildly off base or asking stupid questions. Sadly, I did not find these specimens myself, and so I do not have any particularly useful information on age or location. They were left in a desk drawer along with a collection of other invertebrate fossils, most (if not all) of which are Paleozoic in age. They look to my untrained eye to be the same species of brachiopod, although I have no idea what species that is. Any taxonomic information beyond just "brachiopod" would be awesome. Here are the pictures. While photographing, I kept the specimens in the same order, so the one on the left/right is the same specimen in each picture. Thank you in advance for your time and input.
  10. Orthocone nautiloids

    I should preface this post by saying that the Paleozoic, marine ecosystems, and invertebrates are not generally my primary expertise, so I apologize if I am wildly off base or asking stupid questions. Sadly, I did not find these specimens myself, and so I do not have any particularly useful information on age or location. They were left in a desk drawer along with a collection of other invertebrate fossils, most (if not all) of which are Paleozoic in age. I have several different specimens of orthocone nautiloids, and I would love to know if anyone can refine that identification further. To make the situation more difficult, the siphuncle is only preserved in one of the specimens so far as I can tell (first set of photos below). For this specimen, the diameter of the nautiloid is ~3.5 cm (depending on exactly where it is measured), the inner diameter visible on top and the diameter of the siphuncle on the bottom are 4 mm, and the outer diameter is 8 mm. Here are the pictures. Thank you in advance for your time and input. Specimen #1: Specimen #2:
  11. Sponge fossil or just concretion?

    Hello, I found this last year on a mountain near Munster, a city in Alsace, and it is a marine deposit. And I found this on the mountain and I am not sure what it is. So any help with the ID would be great.
  12. East Coast fossil road trip

    Hello! Later this year I'm planning on moving from Florida back to New England. I was hoping to make the voyage into an interesting road trip... I've heard of several places in the Eastern half of the US where you can dig your own fossils. I know that there are some places in Georgia and the Carolinas that are good to find Megalodon teeth, and some places in the northern US that are good for finding trilobites... I'm up for anything interesting and was looking for suggestions on exact places, tour companies, people, anything that you can offer that might extend my collection on the trip!
  13. Looking for an Invert spot

    Hey guys, I haven't been able to get out and about to my fossil sites this season, I have had far too much school work and regular work. Heck, I've even neglected the forums(sorry about that.) This is my final year...well, I'll probably pursue my master's but that's another story, anyway, I'm looking for an off the grid invert site. Looking at my fossil collection, the one thing it lacks is invertebrate Florida fossils...who would have thought that I would have too many vertebrate fossils in Florida lol! Anyway, if you have a good spot, we can trade spots, I can hook you up with some vert stuff, or you can take comfort in knowing that a Mosaic geologist owes you a favor.(kind of like an investment that will pay off big in 8 or 9 months) Just shoot me a message and we can work something out. -J
  14. Catching up on Texas Preps

    This thread is a saga of procrastination. First of all, many of these finds are months old. Second, this weekend's prep efforts have helped me continue to procrastinate on my kitchen remodeling efforts. Third, the time put into shooting photos and creating this thread is helping distance me still further from moving ahead on the kitchen. So...let's waste some time together. I found a few cool Pennsylvanian inverts last weekend in North Central Texas, and pushed their prep to the front of the line. I enjoy the matrix association pieces most, so let's have a look. First, Meekospira and Worthenia. Second and third, 2 views of maybe Glabrocingulum in the aperture of a Pharkodontus. Third, a cool little orthocone nautiloid resting in next to a Worthenia gastropod.
  15. FotY gallery?

    Hey! Is there a winners gallery for FotY? If there is, is there any way to sticky it to the top?
  16. mussel man,or:the art of science

    Scientific accuracy in the depiction of zoological specimens????????? Who cares NB :52 Mb!!!!!!!!! NB two: forget P**te*s* edit, hours later: maybe ,approximately two centuries later,I'm not doing Chenu any favours. However,"natural history" was practiced AND perceived differently in previous centuries. The degree of exaggeration/embellishment might differ from specimen to specimen
  17. Old news

    As far As I could ascertain, not posted yet edit: Amazing Czech Open-Access Pdf Library on this very forum Posted by Piranha in 2013 you live & learn Šnajdr M. (1983): Revision of the trilobite type material of I.Hawle and A. J. C. Corda, 1847 Sborník Národního muzea v Praze, řada B - Přírodní vědy 39 (3): 129. [PDF fulltext] NB 35, Mb or thereabouts TAXONOMY warning:This is from 1983,remember!!
  18. Well it's been a while since I've last been on (over two months), and I know how much you all have been missing me , so I decided to finally get around to photographing some of the finds I've made over the summer. I've talked a bit earlier this year about collecting in the Frederick Limestone and other upper Cambrian-lower Ordovician units, but these finds are from rocks far, far older than those, nearly 100 million years older! These fossils are among some of the oldest in Maryland, and in the Mid-Atlantic region, which was part of the reason I collected them in the first place (because, let's be honest, most aren't that appealing). If you find these things interesting, the Araby was originally mapped as the Antietam Sandstone until about 1940ish when it became a separate geologic formation due to the strong difference in rock-type most common in either (the Antietam is mostly a quartz-sandstone, the Araby mostly a sandy and muddy shale and siltstone). When the time for the split came, the new name Araby was given to the formation that occupied a band roughly stretching from the Potomac River to the south north in a rough question mark shape to Pennsylvania as the type locality was situated near Araby Church (an interesting bit. A geologic formation from the Cambrian explosion named after a church!). Nowadays the church is gone as far as I know, but the area still bears the name with the apply named Araby Church Road. Going back further, in July of 1864, the Araby Formation would play a major role in the Battle of Monocacy. As Confederate forces under Jubal Early's command were marching east along the B&O RR, they were stopped in the vicinity of Frederick by scattered forces under the command of Union General Lew Wallace. During the day long battle (fought July 9), Wallace's outnumbered force of 5,000 men used the hills and small ridges to their east as a last line to stem the Confederate tide, strength roughly 15,000. This ridge, of course, was made up of the resistant Araby Formation, whose clastics didn't erode through time as quickly as the carbonates of the Frederick Limestone. Unfortunately for Wallace and the Union, the Confederates were able to outflank their positions, and forced them to retreat east past Urbana. Although it was a Confederate victory (the northernmost of the war), the battle delayed Early's advance for a crucial 24 hours, allowing reinforcements from the Union 6th Corps near Petersburg to arrive in Washington DC in time to stop the Confederate attacks on July 11-12 at Fort Stevens. Interesting to see how geology plays a role in how battles (and history!) are fought. I collected twice this summer, once in the early part and another time in September, from a roadcut near Frederick. This cut exposes the early Cambrian Araby Formation, which is nearly 550-530 million years old. The Araby is a nearshore clastic unit, likely deposited in a surf/beach zone on the elevated Piedmont block (a fancy term for a higher lying seabed). As such, it roughly correlates to the Antietam Sandstone further west, as well as, more roughly, the Kinzers Formation in Pennsylvania in the upper sections. Geologically speaking, the Araby is divided into coarser, almost buff siltstone and sandstone units and black, slaty-shale and siltstone (this includes the former Cash Smith Shale, which was found out to be in the middle of the Araby upon later work) ones. The darker, shale layers likely were deposited during times of deeper water, as there exists a degree of faunal differences between the two to suggest such (Olenellus thompsoni has been recorded from the black layers, but I never found any). Later, during the Taconic and Acadian Orogenies, the Araby Formation was slightly metamorphosed as were most other Piedmont and Blue Ridge units, though some parts escaped mostly untouched. These, of course, have the best fossils. Boring rock stuff out of the way, the Araby and the Antietam were formed at a special time in Earth's history called the Cambrian Explosion, which was a period when life underwent a rapid series of diversifications. Luckily we didn't miss out much here! Many beds of the Araby are filled with burrows and other traces of ancient wormlike creatures, as well as rarer edioasteroids, trilobites, and other creatures. Unfortunately little work has been done on the Cambrian units of Maryland, and less still on the Araby, so I haven't found any list of actual names for any species. As such, I'll use names from the Antietam Sandstone, as the two are time, stratigraphically, and lithologically equivalent. By far the most common fossils were the worm burrows, Skolithos linearis. These are rounded, somewhat tube shaped objects in their usual form, though they can sometimes occur as cross sections as you'll soon see. On top of this, they're also sometimes preserved in iron minerals, as is common with many other fossils. From what I've gathered, these "tubes" are interpreted to be the resting places of worms, likely annelids. Now, I'm not claiming to know 100% what some of these are so if any of you may have a better ID please let me know. First up are the Skolithos linearis. The first image is of a fairly typical "tube" shaped structure. The second image shows a cross section cut-away of a "tube", partially mineralized in what is likely iron (iii) oxide. The third image is of a large, albeit poorly preserved, complex of "tubes". The general way to tell where they are is by looking for the dark contours of them, and tracing them that way.
  19. A quick survey

    Hello, everyone. I'm working on a side project right now and I could use the input of the room for this one. I'm wondering what people consider to be the best fossil collecting sites public and private in the contiguous 48 states. I'm looking for everything. Vertebrates and invertebrates, all periods, just the cream of the crop for everything. I don't need exact locations, so don't worry about sharing super-secret specifics. Thank you in advance everyone!
  20. Konservat-Lagerstatt in Northern Africa

    MAR Author&journal credibility:very high i will not post images of the fish here,but they are stunning. Instead I went for the invertebrates Textuallly speaking,this caught my eye: "A few fragments of fern fronds (Fig. 14) were encountered with additional examples seen in fossil dealers’ storehouses in Erfoud on a similar matrix. All are preserved as orange/brown goethite films similar to those encountered in plants from the Crato Formation of Brazil" NB:"After submission of this paper Cavin et al. (2010) published a paper in which the Gara Sbaa locality is discussed in the context of other Moroccan Early Cretaceous vertebrate assemblages, referring to the Gara Sbaa assemblage as the Agoulti assemblage."
  21. I'm doing a Ragnar run next week in Richmond, then I'll be spending a few days in the city. Just curious if there's any nice localities to hit up while I'm there. thanks -J
  22. So, as some of you may know, I'm currently attending UF seeking a degree in geology, with post-grad in Paleontology. The most important reason I decided to do this (among many)at the ripe age of 33 was an inspiration to merge the knowledge of amateur paleontologists with professional paleontologists. I've had this idea that technology may be able to close the gap and eliminate the animosity between these groups, while at the same time actually encouraging and promoting fossil distribution. It is an ambitious goal that requires all those respected and knowledgeable in their field(amateur and professional) to work towards a common goal. I've written a simple proposal and outlined my plan. I've included the names of the Florida Museum of Natural History's paleontologists(as it is public record), but I would also like to include some knowledgeable amateur paleontologists to work towards this goal. If you are interested please contact me, and I will send you a copy of the proposal. I would like to note that this is not a commitment to anything,your information will not be shared, and you will only be contacted by me(maybe). HH joshuajbelanger@gmail.com -J
  23. Kansas Fossils

    Here are a few fossils I found a couple of years ago in Kansas, and I'd really like help identifying them! I found them in Riley County, KS in the Flint Hill area. The geological information is as accurate as I could be. I'm not the most educated in this field, so the information is from geological maps of the area. The first pictured fossils I found in Terrace Deposits or Glacial-Fluvial. The following two fossils were found in "Wolfcampian age with the Pennsylvanian/Permian boundary placed at the base of the underlying Admire Group." (According to what info I could find).
  24. Hey guys, so I'm starting up my prepping/study workshop, and I need practice. I have an unlimited supply of fossilerferous tampa limestone. Seen here, some of these inverts are recrystallized and very beautiful. I'm looking to trade this limestone for any kind of fossiliferous rock to help with my scribe prepping(and also add pieces to my collection that I can't get my own hands on)! I may be able to get bone valley formation limestone as well(it would take a special trip). If anyone is interested, let me know, we can work out the details later. thanks -J
  25. Hey everyone So I'm setting up a workshop outside for fossil prep. I have tons of vertebrates and invertebrates to prep. I'm pretty experienced with preserving fossils(butvar) but I've never done any real prep work. So far, I've purchased a wet saw, stereomicroscope, rock tumbler, work bench, vice, and mini fridge(for the beer!) I have a dremel and dremel engraver, I know the engraver doesn't compare to some of the air scribes, but it was cheap, and my limestone is extremely soft. I have about 500 lbs of this limestone, and some beautiful examples(Ocala, Tampa, Bone Valley formation) fossils in the matrix. These fossils range in calcite, aragonite, and Calcium Carbonate. Any tips are purchases I should make would be welcome. Particularly polishing and bringing out color. Thanks in advance. -J