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  1. Atoothsatooth42

    Back on the Potomac once again!

    Hello! Reporting again with another successful Paleocene epoch hunt! Got there quite early in the morning and had the whole beach to myself for 3 hours, pays to get up early! The tide was great, amazing fossil beds all up and down the beach, I couldn’t keep myself from vacuuming up every interesting fossil insight! The usual collection of sand tigers, ray plates and turrittela, with some nice sea glass scattered around, as well as what was a bread crumb trail to my find of the day. I found the corner of an Otodus first, my initial thought was, “Well, at least I’m not getting skunked by the otodus gods today!” Followed by the tiny otodus, always a fun find. I was getting warmer until, finally, laying out beautifully in the shadows of the cliffs, was this awesome, great quality Otodus. Grinning from ear to ear, I felt that my day was made from that point on. I found it early in the hunt, so it felt like it was going to be a great Otodus day. Alas, it was simply just a great day instead. No complaints in the slightest! Fossil hunting for me is like therapy, every fossil is a dopamine bump. From a cool shell, to a blade-less shark tooth root. But when you find that tooth that you were hoping for, your week is always made.
  2. Hello, my friends, and a jolly warm welcome to one and all. Many moons ago, my friend, the exceedingly kind and generous Brett @Elmo sent me nearly 6 lbs of micromatrix from the Purse State Park in Maryland, USA. The tiny fossils found in this gravel are from the Piscataway Member of the Aquia Formation which is Late Palaeocene in age and about 60 million years old, give or take. I have been trying to sort through a little every day and am about two-thirds of the way through and have found lots and lots of goodies. Now, this is well out of my comfort zone as there is not a brachiopod to be seen, but lots of teethies from sharks, rays, skates, and bony fish. I have no idea what I am doing at all, and so Brett, who is also seeking some IDs, and I decided it might be useful and fun to start a thread to show off our finds, hopefully get some help with identification, encourage others to post their own finds and have a fun time, really. I don't have any Palaeocene material at all, except a couple of larger sharks' teeth from this location. So, please feel free to comment, just watch and enjoy or tell me off for my obviously stupid attempts at ID. I'll start this off with a really beautiful tooth that I think might be Delpitoscyllium africanum. On second thoughts, perhaps Ginglymostoma cf. subafricanum is a better fit? Because of the multiple side cusps.
  3. So good/bad luck today on the Potomac. Rainy, humid, but a bounty was collected regardless over 2.5 hours. Sharks teeth, ray plates, and sea glass were everywhere! Unfortunately however, not every great day is perfect, the decent sized Otodus root was a real shame 😢. Luckily I was able to score a small Otodus in good condition, quite a few nice sand tigers, a small vert, and a few pieces of blue sea glass. I’ll take it!
  4. I took a trip down to Flag Ponds yesterday and the finds were plentiful, but so were the midges. Little tiny gnats that love to teach you what true pain is were out in mass for the full 6 hours that I stayed. I managed to push through being eaten and managed to get some stuff to add to my collection. CoralBone FragsSharks TeethRay Plates( My favorites )Misc Some of the Misc fossils I’ll be listing for identification help. I’ve figure most of them out, but a few are questionable to me. The bottom one in the misc pic is a little ray plate in a rock matrix. I’ve never found any in a rock matrix before and honestly thought that all the ones from Calvert just came out of the clay as it eroded. Now I’ll probably be picking up every rock on the beach just to make sure that it doesn’t have a fossil in it.
  5. About a month ago I used my hotel points from work and dragged a few friends down to Maryland for the weekend with the promise of beer and maybe some good shark teeth. We did one day at Flag Ponds and another at Matoaka Cabins, which is what I did last year as well. I still can't say one place is better than the other. My friends who are not fossil collectors had more luck finding teeth in general at Flag Ponds, but I think the quality of finds were slightly better overall at Matoaka. It really all comes down to luck if you are going to any of the public spots. Day one was flag ponds I tried experimenting with some hunting methods: sifting, searching the wave-line, digging up sand, and searching below the water line with a clear bin. Using the bin method, a bit more than knee deep I was able to find a nice Mako. This was the best one found at Flag Ponds by our group. A few other nice ones were found by shoveling up sand and letting the waves sort it out for us, these were not found by me. Second day was Matoaka Cabins, it was a clear and calm day. Using the same bin method, even on the clear day, I was not able to find a tooth below the water line. There were far too many grey-black shells that appeared similar. We had the most success just walking along the beach, sifting especially was a bust. Another very nice Mako was found by a friend as we were on our way out just tumbling against the cliffs in the waves. Pictured below under my thumb. These were some of the best finds from the whole group. Here are my best finds next to a ruler. A bit puzzled by the tooth at the 3 inch mark. Has the shape of a meg, but far too small.
  6. NovaRunner

    Potomac River fossil

    I found this in Charles County, Maryland along the Potomac River along with the typical ray plates and shark's teeth. Any thoughts?
  7. Hi! Hope all is well with everyone!! I have a half ironman in Cambridge MD in June. I know all the popular spots in MD for fossil hunting. I am going to be in Cambridge and swimming in the Choptank. I assume there are cool places to look for shark teeth. Am I wrong? Anywhere specific? I have never been to that area? Or is it just better to go to one of the popular places. Thank you for any advice! You guys are awesome.!! I getting back into hunting more! Looking forward to being more active!!!
  8. Hello all, First of all, thrilled to find this website--I've had this fossil for about a year now after finding it on a lark and I had not been able to make even anything close to an identification/match to any example or description in easily-found online guides to fossils in the MD region. It has this almost chemistry-structural-formula hexagonal pattern that turns into a series of...fine/leafy branches in parallel? It also appears to have some regular hollow cavities on the rim, as if whatever it was was honeycombed/hollow. My guess is some sort of coral but as I said I haven't been able to find any match at all, so any notions would be appreciated! Also please do feel free to let me know what other info/images would be of help, I read the "New Users Please Read" guides for this sort of thing but definitely want to be sure I cover all the steps. Thanks so much--it'd be really cool to put a name to this lil' guy, even if it's qualified with a "we THINK it's a _____"!
  9. Snaggletooth19

    ID Help with Douglas Point Finds

    I just took a trip to Douglas Point, MD (Paleocene, Aquia Formation). I found two great Otodus teethwhich is a first for me in several trips, actually (you can see them in the first image along with some other shark teeth). There are a few other items I found that I could use some help with ID on. For #1, I know it's a crocodile tooth, but what genus/species would it be from this formation? #2 I'm thinking might be turtle shell or plastron? #3 I believe would be reptile bone. Is it possible to be more specific what bone it is based on its shape? #4 Could this also be some piece of turtle shell? #5 I can see enamel in two areas on this piece. I can't tell if this is just a very deteriorated shark tooth or another fossil entirely. #6 I'm not certain if this fossil or concretion. If a fossil, it looks close to resembling part of an osteoderm? Thanks for any help on these and happy hunting. Chris
  10. lpatrick624

    Help Identifying

    Hello! Found this while digging in our yard. Not sure if it's anything, but my son is convinced it's a dinosaur tooth so I told him I'd try to find out. Anyways, we live in Anne Arundel County in Maryland and this was found only 2-3 feet down in very sandy soil. Any insight is appreciated! Lauren
  11. Between 2020-23, two collectors who scuba dive for fossils throughout Florida and Georgia have recovered 5 chesapecten (including two paired valves) with morphological characteristics that signal a Miocene age. These characteristics include an acute byssal notch and a byssal fasciole that is strongly differentiated from the shell’s auricle in terms of sculpture and elevation. The largest of the adult shells also displays an active ctenolium. Additionally, one of the paired specimens displays significant gapes between valves when matched (the other pair was preserved as found by glue according to the collector and cannot be matched). These aforementioned traits are also emblatic of Miocene age for Chesapecten. These shells were recovered from the following areas in Georgia and Florida: Savannah River, Effingham County, Georgia (Collector 1) Specimen 1 (W = 108.0 mm) R valve L valve R valve - close up of byssal notch and fasciole (most of fasciole has been degraded) R valve - close up of ornamentation L valve - close up of ornamentation Profile Close up of matrix, gray sand Savannah River, Effingham County, Georgia (Collector 1) Specimen 2 (W = 101.6 mm) R valve R valve - interior R valve - close up of byssal notch and fasciole L valve - note barnacles are modern species, not fossilized L valve - interior L valve - close up of ornamentation on auricle Side profile of pair, showing gapes Front profile of pair, showing gapes Cumberland Island, Camden County Georgia (Collector 2) Specimen 3 (W = 114.3 mm) R valve, note encrustation is recent not fossilized R valve interior, thick shell apparent Close up of byssal notch and fasciole Close up of ctenolium, although modern encrustation makes it difficult to see what is going on in the ctenolium Close up of ornamentation St Mary’s River, Nassau County, Florida (Collector 2) Specimen 4 (W = 117.5 mm) R Valve R valve interior, active ctenolium and thick shell apparent Byssal notch and fasciole Close up of original sediment, note the olive and gray coloration Profile Suwanee River, Hamilton County, Florida (Collector 2) Specimen 5 (W = 69.9 mm) R valve, subadult specimen R valve interior, shell is thick for a subadult Unfortunately, stratigraphic data were not collected for these shells. However, among the Miocene strata from Coastal Georgia and NE Florida currently described in the literature, the Ebenezer Formation of Weems and Edwards (2001), of Upper Miocene (Tortonian age), appears to be the most suitable match based on the age of the Ebenezer and the characteristics of the shells found. The shells collected resemble Chesapecten middlesexensis of the Upper Miocene of Virginia and North Carolina. The Ebenezer was originally defined by Huddleston (1988) as a member of the Coosawhatchie Formation (Middle Miocene). Weems and Edwards later elevated it to formational rank based on differences in lithological and dinoflagellate composition compared to the rest of the Coosawhatchie. The Ebenezer formation consists of gray to olive-gray, fine- to medium-grained micaceous sand and stretches from South Carolina to NE Florida. Five mappable members are apparent and separable by distinct unconformities. The lower four members correspond to dinoflagellate zone DN 8, while the uppermost member corresponds to DN 9. Revision of the Ebenezer to Formational Rank from Weems and Edwards (2001) According to the dinoflagellate zonation of de Verteuil and Norris (1996), DN 8-9 aligns with the Little Cove Point Member (DN 8) and the Windmill Point Member (DN 9) of the St Mary’s Formation of Maryland and Virginia. Alignment of the Ebenezer to St Mary's Formation of MD and VA from Weems, Self-Trail and Edwards (2004) All specimens display similar characteristics which include an acute byssal notch, differentiated byssal fasciole, slightly inflated right valve, and a hinge size in adult specimens that is relatively small for adult chesapecten with the exception of Chesapecten covepointensis (DN 8 St Mary’s Formation) and in some cases Chesapecten santamaria (DN 9 St Mary’s Formation). Also, these shells could possibly be divided into two distinct variants although issues with preservation which appears to be somewhat better outside the Savannah River region may exaggerate these differences. Nevertheless, the Chesapecten collected outside of the Savannah River Region exhibit stronger, more raised ribs and have thicker, heavier shells compared to the specimens collected within the Savannah River region whose shells are thinner and ribs are lower and less pronounced. This is especially true of Specimen 1. Possibly that these variants originate from different members of the Ebenezer Formation. According to Weems and Edwards, “outside of the Savannah region, beds no older than dinoflagellate zone DN 9 occur”. This suggests that the shells collected outside of the Savannah River Region likely belong to Bed 5 of the Ebenezer Formation. Figure 3 of Weems and Edwards (2001) [shown below] suggests that someone scuba diving for fossils in the Savannah River is likely to collect in Bed 4. Therefore, it is possible that the Chesapecten specimens recovered from the Savannah River belong to Bed 4 of the Ebenezer Formation. This stratigraphic information aligns with the observed morphological differences among the specimens and tentatively supports the significance of these variations. Needless to say, more specimens are needed to confirm. Lateral Gradation of the Ebenezer from Georgia to Florida - Fig. 3 from Weems and Edwards (2001) Ward (1992) has remarked that the period between Chesapecten santamaria (DN 9) and Chesapecten middlesexensis (DN 10) represents a considerable loss of the fossil record in the stratigraphic succession of chesapecten. These Chesapecten, which bear a strong overall resemblance to Chesapecten middlesexensis while displaying traits of preceding species (smaller hinge, more differentiated byssal fasicole), could help bridge this apparent gap. Notably, no other Chesapecten in this age range outside of Maryland and Virginia have been reported in the literature. Personal Remarks The equivalency of these shells to the St Mary’s Formation, not the Eastover formation is surprising to me given the strong resemblance to C. middlesexensis. If anyone knows of any findings correlating DN 8-9 to the Eastover, or of the Ebenezer to DN 10 please let me know. Also, if anyone has any additional samples of similar shells from similar sites, even in SC please let me know. Thank you! References de Verteuil, L., and Norris, G., 1996, Miocene dinoflagellate stratigraphy and systematics of Maryland and Virginia: Micropaleontology, vol. 42 (Supplement), 172 p. Huddlestun, P.F., 1988, A revision of the lithostratigraphic units of the coastal plain of Georgia; the Miocene through the Holocene: Georgia Geologic Survey Bulletin, no. 104, 162 p. Ward, L.W, 1992, Molluscan biostratigraphy of the Miocene, Middle Atlantic Coastal Plain of North America, VMNH Memoirs, no 2, 152p. Weems, R.E, Edwards, L.E., 2001, Geology of Oligocene, Miocene, and younger deposits in the Coastal Area of Georgia: U.S. Geological Survey, no 131, 129 p. Weems, R.E, Self-Trail J., Edwards, L.E., 2004, Supergroup stratigraphy of the Atlantic and Gulf Coastal Plains (Middle? Jurassic through Holocene, eastern North America): Southeastern Geology, volume 42, p 191-216
  12. Atoothsatooth42

    Late morning on the Potomac

    Hey TFF! First post! Not making my appearance with a bang, but had a decent quick trip to the Potomac, about an hour and 15 minutes. Nice handful of sea glass, decent amounts of ray plates and turritella. A few solid sand tigers. And what I believe to be a small, busted otodus in the palm of my hand. I usually always come away with at least one small complete otodus, so when I don’t, it makes a great day fossil hunting turn into merely a very good day 🤷🏻‍♂️. Let me know what you think!
  13. I’ve been wanting to post this trip on here for a while, so today is the day! Pretty awesome one, showed up to the beach at the scheduled low tide only to see turbulent water up to the top of the beach due to incoming weather patterns. Gave it a chance anyway and very happy I did! Found my first Otodus (along with a busted blade of one), my hunting partner found the smaller one on the right in the second picture on the same day. Also found my first complete ray dental plate. Great day for firsts!
  14. Jack5587

    Marine fossil ID

    Hi everyone! I’m a high schooler who is very interested in paleontology and archeology. I visited Calvert Cliffs in Maryland and found these fossils. The first photo contains teeth and I’m interested what creatures they may be from. The second photo is full of random things that could be something but may just be pieces of shells (I think there may be a fossilized crab pincer/claw). Take a look!
  15. Sleeper

    Help with Bone identification

    This was found near the Calvert formation in Maryland. It does seem to be fossilized. Thanks for helping out a newbie and I will take proper photos for future posts.
  16. Following up on the artificial tooth set I recently constructed for the Paleocene sand tiger shark Striatolamia striata, I decided to see if I could put one together for the Miocene snaggletooth, Hemipristis serra, using teeth I've collected along the Calvert Cliffs in Maryland. I haven't found a great resource for an H. serra dentition, but I consulted a few different sources to get a sense for the arrangement, including Fossilguy.com, J-elasmo (which has a dentition for the extant H. elongata), and various TFF threads. The resulting tooth set is below. While I've found quite a few H. serra teeth, their abundance from the cliffs isn't anywhere near that of S. striata from the Potomac River, so this one was a bit more challenging to construct. In addition to several fairly worn teeth in my set, some that I've slotted into various jaw positions are likely a bit more fanciful than the last one. The best extreme posteriors I've collected are proportionally too large, so I also had to use less good substitutes for those positions. The largest teeth below are about 1.25" inches in length. Most of these were collected from Matoaka Beach over the last year, but I found a few of them from Brownie's Beach and Calvert Cliffs State Park. The full tooth set: Quadrants: Finally, here are some better examples of extreme posterior teeth. Both of these are a tad over 0.7" long.
  17. Bjohn170

    Back to the Paleocene

    I got back out to the Potomac river yesterday to search along the Paleocene exposures for some more prehistoric treasures. I got to the beach around 8am and had a couple hours till low tide, the water was calm and clear enough to where I could easily see out in the deeper water. Pretty soon after beginning my hike I found a really nice 1.23” crocodile tooth rolling around right on the shore line. It slowed down for a little while after that only find a couple busted Otodus teeth and a nice sand tiger here and there. Once I got around the bend to my favorite stretch of this beach, where I’ve found most of my better Paleocene finds, things began to pick back up a bit. I found a nice tiny crocodile tooth tumbling in the wash, then only a few steps later I see a beautiful 1.48” Otodus partially buried in the sand! Before reaching the end of the beach I also found a large ray plate fragment and nice shark vertebra! The walk back was slow with the waves not churning up much as I’m walking back in my footsteps, I already a nice haul for the day so it didn’t bother me. It was another great day along the river, thanks for reading. Bonus picture from another Paleocene trip a couple weeks ago, the water was murky and high and I didn’t find enough for a full report but I did get a nice ray plate, Otodus and a heartbreaker!
  18. Othniel C. Marsh

    Cetacean Otolith

    Pictured below is an otolith from an indeterminate cetacean, from the Miocene of the Calvert Cliffs Formation. I've had this particular specimen in my collection for some time, but was under the impression that otoliths weren't diagnostic to any degree, but my research surrounding cetacean dentition for a dolphin tooth I plan to purchase soon has proved otherwise, so I thought it would be worth putting it to the experts. Unfortunately I can't find my ruler to provide a sense of scale for the photos, but the specimen is approximately 4cm long and 1.5cm tall. Thanks in advance for any proposals as to the origin of the fossil Othniel
  19. MDhunting1299

    Purse and Calvert Finds

    Had a quick hunt at Purse State park, first time! only about two hours on the beach and found a lot! no big ones but a bunch of interesting sand tigers. Then had some time at my Calvert Cliffs spot, and just as I thought the hunt was a bust, I found a nice tooth! Not sure what the big one is but I think it is a Hastalis? Anyway, great time both hunts!
  20. 1 more from the same location, a vertebra. Photos 1 & 2 are the front and back, while 3 & 4 show top and bottom. One end appears flat, while the other is crudely pointed. Axis vert? I was thinking small mammal. Thoughts? thanks!
  21. Dee Welch

    fossil id

    Hi, trying to get info on this fossil. I was told years ago this was underwater plant life probably 400 to 250 million years old. Also wondering what type of fossil it is...cast, true form, etc. Thank you for any info you can give me.
  22. hello, I have 2 items from Chesapeake Beach, Maryland, USA. Exposures are Miocene. These were found as float, on the beach. The first is a jaw section, approx. 8cm in length, with a broken piece of one tooth present. Porpoise? The second is a tooth crown, approx 18x13 mm and two ridges. Photos of the chewing surface and underside are presented. Manatee? thanks!
  23. cowsharks

    Jaekelotodus or Paleohypotodus

    Curious to know the ID on these teeth. They were found some time ago in Maryland from a Paleocene location and both are about 3/4" long. I was initially thinking they might be Jaekelotodus robustus, but not 100% sure because Paleohypotodus rutoti looks a little similar. Unfortunately elasmo.com doesn't have any examples of Maryland specimens of J. robustus for comparison. Your thoughts?
  24. I had some time to get back out to the cliffs on Saturday, the wind was rough and it was calling for rain after 10am, so kayaking wasn’t an option and I wanted to be off the beach before the rain got bad. I parked and walked down to the beach a half hour before sunrise to begin my search. As expected the water was very rough, and very murky. I knew I wouldn’t be able to find much of anything below the tide line, and it would be hard to be able to grab something out of the wash before another wave hit. I moved quickly checking the higher shell line and found some decent teeth but nothing to special, until I found what would have been a nice megalodon but a large chunk of the tip was missing, I also found a nice epiphysis disk and shark vertebra before turning around. I didn’t know what my luck would be like on the walk back but I was still hopeful the rough water would wash up something great. Then I got my find of the day when a 1.81” hastalis washed up in front of me. Before getting back to the truck a got another heartbreaking megalodon fragment and another nice hastalis. The conditions were rough, and I was getting a little aggravated feeling like I was missing so much, it also didn’t help that the waves were soaking me even with my waders. Non the less it’s always good to get out and check the beach when I can because you never know which wave will wash up that find of a lifetime. Thanks for reading y’all, until next time!
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