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Found 31 results

  1. Matrix finds quandary

    I and others have been finding these in the matrix I've been collecting about a mile East of the Ernst Quarry in Bakersfield, California. Mid. Miocene, Temblor Formation. I have never found them from the Sharktooth Hill matrix I used to collect. Items all average about 3mm in diameter. Some sort of dermal denticle or fish scale? I hope the phone picture is adequate. Any ideas?
  2. Fossil hash with a clip on lens

    Another from my fossil dig. S.W.Michigan. 1st this side shown wet is very dull, not sure if it can be improved. 2 other side shown wet. # 3 showing a zooecia. all image taken with my cell phone. last four with a clip on micro lens and dry. The zooecia Bryozoan is 1/8th inch .4 cm
  3. mixed, fossils

    This is a chunk of Michigan clay with sand and probably calcium. I do not know yet if I can do much with it other than perhaps cut down the size to have the fossils. Don't know if a hack saw would help much. all are like micro size and one looks like an Crinoid Archimedes screw 0.7 cm x 0.3 cm. I would like to know what is the tire track like tract line? 5/8th inch, or 0.1 x 1.59 cm or 15.8750 mm. Is this an actual fossil or impression left by a life form. Two are with my phone zoomed in about 1.7.
  4. I am offering up some Lee Creek micro matrix up for trade. I looking to trade mainly for other micro matrix, nothing that can only be sorted with a microscope please. I will entertain other offers as well. Adam
  5. More Fla "Creek" Finds

    Here's a couple more finds from my Fla "Cookie Cutter" Creek matrix that have me stumped. No idea what they are, but the two look similar enough they may be variations of the same thing; or maybe they're just two similar looking rocks! (1st post has pics of the initial find, 2nd post has the other find plus comparison of the two. Scale is 1mm increments.) Hopefully some of you "CC Creek" or micro experts can point me in the right direction on these. Sorry for the lousy pics but its the best I could do with such small specimens without some better equip -- any suggestions? Thanks for looking.
  6. Chalk teeth

    Hello; Does anyone here has a good way to get micro shark teeth out of the hard chalk of hallencourt(FR) Greetings
  7. Do microfossils come as small as the grains of sand, and if so, how do you separate them?
  8. This is a quick post, with a few group pictures, on the anthill matrix that I recently collected from my sons’ Nebraska ranch this May. The specimens in this post are from anthill matrix that was collected from anthills that are in the flats of the ranch which are Oligocene, Lower Scenic Member, Brule Formation. I’m currently working with 2 amphibian (frog and salamander) researchers, 1 squamate researcher (lizards, legless lizards and snakes), 1 mammal researcher (rodents) and 1 bird researcher. I’ll soon be also working with an eggshell researcher and another mammal researcher (insectivores especially bats). I’ve been asked about trading some of this matrix by TFF members but can not do so until the research is finished and the papers are published. I finished searching one gallon of the seven gallons of anthill matrix that I just collected this May. I continue to be amazed at both the fossil density and quality of specimens that I’m finding in this anthill matrix from the ranch. So far the fossil density of this batch of anthill matrix from the ranch is actually higher than what was in the matrix from my September and May 2016 trips. One reason for that may be the 3 inches of rain that we had at the ranch the four days or so before I started collecting the matrix. To get that much rain is unusual with the rain probably breaking down and washing away a bit of the matrix itself. I’ve attached a number of group pictures of what I picked from this first gallon of anthill matrix. The white paper plates are 9 inches in diameter and the gem jar cups are 1.75 inches in diameter for size reference. There are lots of mammal specimens with rodent specimens by far the most common. There are also a good number of Lagomorph specimens. There are also a decent number of really nice insectivore specimens and other small mammal specimens. There are a large number of squamate specimens, with a good number of these being Glyptosaur especially Glyptosaur osteoderms. I’m not seeing anything that jumps out as being new from what I’ve previously sent to the squamate researcher but there are a lot of nice jaw pieces and vertebrae. I’ve only found at best two amphibian specimens so far. One looks like a frog humerus and the other possibly a damaged salamander vertebra. I’m not seeing bird bones that I recognize so far. However, based upon the squamate researcher finding eggshell pieces in the previous specimens that I sent, I did intentionally look for eggshell specimens. So I think there are also eggshell pieces in this matrix also. I decided to pick everything from this matrix, versus only specimens that I could recognize, like I did with the September 2016 matrix. There are a tremendous number of bone and tooth fragment specimens. Picking everything is taking a long time and I may not be through searching all 7 gallons of this matrix by the end of August as I had originally hoped. I wish I could recognize the diagnostic cranial elements but unfortunately I don’t have that expertise requiring that I pick everything so as to not lose something that might be of scientific importance. All and all I’m extremely happy with what I’m finding so far in the anthill matrix from the ranch. I also did take a quick look at some of the 1 gallon of Eocene anthill matrix from a neighboring ranch that I also collected in May. That result was not encouraging with only a few mammal specimens that were damaged found so far. Marco Sr.
  9. Aurora, NC

    I will be traveling to North Carolina in the next couple of weeks and will be within striking distance of Aurora, NC. Aside from across from the museum are there any other public access points to spoils piles from the Lee Creek mine that people are willing to divulge. I figure with the Aurora, NC fossil fair having just wrapped up that maybe there are some other access piles in the vicinity. My primary interest is screening some of the material to take with me to search for mircos. What I want to avoid is filling a five gallon bucket to then only be visited by the police. I don't get to this area very often so I am not at all familiar with the etiquette or regulations to be aware of. Any insight that anyone would be willing to share would be greatly appreciated. Feel free to PM me if that's easier.
  10. Douglas Point 2/24/17

    Sometimes it can take me a while to do a trip report, but i feel like better late than never right? I headed out to Douglas Point for the main reason of getting some sand material that Ive been told is good for micro teeth. I found the material that i was looking for and loaded my backpack(way to full). I had just made a new sifter for micros and was looking to test it out, and I know literally nothing about them so if anyone wants to chime in on some resources i can study go right ahead. Anyways, I did my regular fossil hunting and didn't find much other than some nice Sand Tigers. I had a disposable camera with me that day that I was trying to use the rest of so I took some scenic shots with it. Enjoy!
  11. I’m posting a few pictures from the trip I took with my sons in September 2016 to our Eocene/Oligocene Nebraska ranch. There are a couple of really neat areas on the ranch itself of which pictures are shown below. This is one small area of Eocene Chadron Formation on the ranch. The vast majority of the ranch is Oligocene Brule Formation. It is difficult to see clearly in these pictures but this area of the ranch has many visible different layers of the Brule Formation. The layers really stand out when the formation is wet and the colors are much more vibrant. These are two different dens in another part of the ranch. One had large footprints with five toes and claws all round it, probably from a bear. The other had large footprints with four toes and no claws all around it, probably from a mountain lion. I really wanted to get closer and get pictures inside the den but didn’t think that would be wise with the fresh footprints all around. We took out a good number of jacketed mammals and tortoises/turtles. However, none have been prepped yet. We still have over twenty specimens to prep from our May 2016 trip. I spent a couple of days collecting anthill matrix for the micro terrestrial vertebrate specimens that it contains. Below are a couple of the anthills I collected from with a garden trowel for size reference. I wound up with around 8 ½ gallons of processed matrix from 8 areas in the ranch. Below are group pictures of the nicer specimens that I found so far in the matrix. I still have 1 ½ gallons of matrix to search. The fossil hackberry seeds and rodent incisors really stand out in the group pictures but there are a myriad of other specimen types if you really look closely. I also have thousands of bone fragments that I picked to send to Dr. Krister Smith who will search them for squamate skull fragments. You need quite a bit of experience and expertise to recognize these skull fragments which I can’t recognize currently. Continued in next reply Marco Sr.
  12. Another Eureka moment

    A few weeks ago I submitted a request for ID on a couple of tiny bones from TFF member Sacha's Merritt Island Pleistocene matrix. http:// Small Pleistocene bone for ID - Fossil ID - The Fossil Forum The help that I received was based on the limited photos that I supplied. Lateral views alone just don't cut it! I was not satisfied with 'mouse', so I 'dug' a little deeper. I decided to re-photograph a few of the odd little bones in different aspects this time. Duh... my results really do illustrate the importance of showing the 'ends' of a bone. It was very obvious from my new photos that these are vertebrae. Then came hours of research and many PDF downloads. Turns out that these cool little bones are autotomous lizard caudal vertebrae. There seem to be at least two kinds in the matrix possibly representing different species (or positions in the tail). I have included some of the links to helpful papers on the subject. http://‎www.scielo.br/pdf/aabc/v87n1/0001-3765-aabc-201520130298.pdf http://The Anatomy and Histology of Caudal Autotomy and Regeneration in Lizards (PDF Download Available) http://Lizard Caudal Vertebrae on JSTOR
  13. It's Fossil time!

    I have found the perfect way to answer the questions I get when trying to describe my passion for micro fossils! While out shopping yesterday, we hit a few favorite hobby/craft stores like A C Moore and Michael's. I found this neat little pocket watch designed to showcase tiny finds and bought a chain to match. Now I can keep it in the watch pocket on my jeans and easily show off a selection of micro fossils from Merritt Island matrix.
  14. 3 unknowns from Merritt Island matrix

    I am currently cataloging the thousands of photos that I have accumulated of my finds from the Merritt Island, Florida Pleistocene matrix. Here are three that have me puzzled. The first looks like an ostracod... ? I was hoping that this tooth half was from something more interesting than a dolphin... It looks as though it has feeding damage...any ideas? And finally, this bit of jointed bone really has me stumped. Any guesses? Thanks for looking
  15. Here is a series of five images showcasing some of my finds from the first hunt through the Merritt Island matrix. I have just begun to study the fossils in this intriguing matrix, and hope that I haven't got too many wrong. There are so many possibilities when you find a bone in this stuff. It might be mammal, or reptile...amphibian, or even fish. The variety is one thing I wanted to showcase. Of course, the amphibian fossils are the really exciting finds, but they are the most difficult to identify. These images will be featured on episode 5 of 'Fossil Hunters'. continued in next reply
  16. My sons brought back about 3 gallons of ant hill matrix from their September trip to the Nebraska badlands. The matrix is from the Oligocene Brule Member of the White River Group. All I had to do with the matrix was to fine sift it to remove the fine sand. If you mouse over the pictures you will see the file name which has the specimen size and my best effort at identification. I rarely search terrestrial matrix so I don’t see a lot of terrestrial mammal and reptile micro specimens. If you can identify anything further or you see id errors please contribute to this post. Below is a gem jar display which shows some of the nicer specimens that I found. Double clique the photo to see an enlarged version. The gem jar cups are 1.75 inches in diameter for size reference of the specimens. Edited per comments from Jean-Pierre 1. Mammal and reptile bones (Most of the bones are little mammal caudal verts.) 2. Mammal and reptile bones (mostly toe bones) 3. Mammal bones (caudal verts) 4. Reptile vertebrae 5. Claws 6. Mammal teeth/jaw fragments 7. Mammal teeth (rodent incisors) 8. Mammal teeth [Paleolagus (rabbit) teeth] 9. Mammal teeth 10. Mammal teeth/jaw fragments 11. Lizard osteoderms (mostly Glyptosaur Changed Peltosaurus to Glyptosaur based upon input from Dr. Krister Smith ) 12. Lizard jaw fragments Continued in the next reply. Marco Sr.
  17. Pleistocene ray, fish, salamander, frog, snake, lizard and mammal specimens from matrix from the Melbourne Bone Bed from the Indian River, Florida. I want to thank John Sacha for supplying the matrix. This matrix was basically shells with fossil specimens. This was an extremely interesting matrix to search because of the large number of mammal and small reptile specimens. It also contained a good amount of amphibian specimens which I haven’t seen before in matrix. There were marine specimens also like fish specimens but the shark teeth were pretty beat and there were only a couple of ray specimens. Julianna has made extensive posts on Merritt Island micros. This post does contain some additional/different examples of specimens from the matrix. http://www.thefossilforum.com/index.php?/topic/57198-merritt-island-florida-pleistocene-fossils/ http://www.thefossilforum.com/index.php?/topic/59507-merritt-island-florida-pleistocene-fossils-part-2/ http://www.thefossilforum.com/index.php?/topic/60385-merritt-island-florida-pleistocene-fossil-photos/ If you mouse over the pictures you will see the file name which has the specimen size and my best effort at identification. If you can identify anything further or you see id errors please contribute to this post. Below is a gem jar display which shows some of the nicer specimens that I found. Clique the photo to see an enlarged version. The gem jar cups are 1.75 inches in diameter for size reference of the specimens. This is what is in each gem jar: 1 Lizard and snake vertebrae 2 Lizard and snake vertebrae 3 Interesting specimens that I need to id 4 Lizard jaws, mostly anole 5 Salamander vertebrae 6 Mammal teeth 7 Mammal teeth 8 Amphibian jaws (or don’t look like lizard) 9 Frog specimens 10 Mammal bones 11 Crab claw tips 12 Fish specimens (jaw fragments, teeth, scales, otoliths, and vertebrae) 13 Claws 14 Scales/Diodontid tooth plates 15 Ray tooth and barb 16 Scale/turtle shell fragments Below are some pictures of some individual specimens Ray: I found a single Dasyatis tooth: Fish: Otolith: Drum Tooth: Fish jaws/plates: Continued in the next reply. Marco Sr.
  18. Claw Collection

    Here are five new claws for ID please. These were all found in TFF member Sacha's new Merritt Island, Florida Pleistocene matrix. I have included the first one I found here again for comparison. Auspex said the #1 is "from a small species, possibly as small as a least bittern." There were several more claws in the matrix, but these were the most complete samples. It would be great if I could get IDs for them. Thanks for looking. 1 2 3 4 5 6
  19. After researching my more obscure fossil finds from Sacha's Rattlesnake Creek matrix, I am left with these four that I am not sure of. (E. Miocene - Coosawatchee Fm., Hawthorn Group.) Please have a look, and let me know if anyone has any ideas. Thanks for looking. 1) 2) 3) 4)
  20. Whose Tooth?

    I found this broken tooth in Sacha's Rattlesnake Creek matrix. I am wondering if it is from an alligator, or even a croc. Seems way too big for a fish tooth. Any help would be appreciated. Scale is in mm. Thanks for looking.
  21. Is This A Bird Claw?

    I just found this tonight in TFF member Sacha's Rattlesnake Creek matrix from Gainesville Florida. I took photos from both sides, top and bottom, and the joint end. Thanks for looking. Julianna
  22. What Kind Of Shark Tooth Is This?

    I found this broken tooth in TFF member Sacha's Gainesville, Florida matrix. I thought this one looks like a cow shark. I compared it to the examples sent to me by sixgill pete, and I can't see a difference. I don't see any serrations either. I am hoping it is not another fragment of some other kind of shark tooth, but I'd really like to know. Thanks for looking.
  23. Is This Nebrius Sp.?

    I found this tonight in Sacha's Rattlesnake Creek, Gainesville, Florida matrix. I know there is some Eocene in it as well as the more recent.
  24. I have been searching some matrix for micros from the MM quarry at Belgrade NC. Late Oligocene. I have lots to post but decided to start with the gastropods as I am without a clue on IDing these. ( I really need to spring and get the new volume from the NC Fossil Club on Fossil Mollusks) There are also a couple ray teeth and a cool bivalve. Looking at all of these by eye you cannot see the wear/damage. The usb microscope I bought is very cool. Takes great pictures with its 2 megapixel camera. First the Gastropods. 1- 5.73mm 2- 5.19mm 3- 4.97mm 4- over 6mm 5-3.26 and 2.51mm 6 - 5.98mm 7- 5.25 to over 10mm
  25. Here is the summary of my finds from the Florida matrix sent to me by TFF member jcbshark. It is his famous Cookie Cutter matrix! It contains fossils from the Miocene thru Pleistocene. Thanks again Jeff for this great matrix. I was very pleased to find these three Isistius teeth. Here is a selection of the shark teeth from this matrix. continued in the next reply
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