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  • Stratigraphic Succession of Chesapecten

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  1. Hey friends! I am primarily interested in identifying this tooth (I think) found in Charleston, SC on Morris Island. Maybe tapir? (25 x 20 x 11 mm). Thank you! I've included some other misc. finds that typically end up being just rocks, but give me pause as a novice! Thank you all so much, you all were incredibly helpful on my first post! I also posted my haul from today at the end just for fun, a little over 100 teeth! Misc. #1: 28 x 21 x 4 mm; sturgeon osteoderm? Misc. #2: 55 x 21 x 13 mm; coprolite? Misc. #3: 25 x 15 x 4 mm Misc. #5: 28 x 19 x 6 mm Misc. #6: 27 x 28 x 11 mm Misc. #7: 31 x 28 x 11 mm Misc. #8: Top (20 x 9 x 4 mm); Bottom (11 x 10 x 4 mm) Misc. #9: 57 x 38 x 18 mm; turtle? Misc. #10: 37 x 10 x 5 mm; fossilized twig? Misc. #11: Top (20 x 30 x10 mm); Bottom (21 x 20 x 12 mm); human artifact vs. hole from drilling bivalve? Misc. #12: 20 x 19 x 7 mm; alligator osteoderm? Misc. #13: 11 x 9 x 5 mm Misc. #14: varying lengths (largest is 60 x 20 x 12 mm); I struggle with marine bone vs. phosphate vs. random rocks And here's my haul from today, just to show! Thank you!
  2. I took a trip up to Summerville this weekend and had a pretty successful trip, pulling out my best SC meg so far, and and a heartbreaker angustidens and deseri, here's the finds.
  3. Bill Dye The Travis Guy

    Shark Teeth and More. Need help ID

    I need some help with ID for these. I’m out of my comfort zone I’m use to MO fossils. I went to Caspersen Beach, FL today. I know most are ray mouth plates and barbs. I don’t know the shells, most of the shark teeth (I know a lot are worn down so a lot might not be ID.), and the ID numbers 43-46.
  4. Skidush

    Big Brook Shenanigans

    Gmornin yall, I recently took a trip to Big Brook in New Jersey with my girlfriend, and we returned with a few items. There were not as many shark teeth as we expected to find, but some interesting fossil and fossil-like material nonetheless. Shark Teeth: The one's on the left are from my girlfriend. She beat the snarge out of me this time. This will Not occur again. Bony Fish Material: The only one I found was the large vert. My girlfriend whispers to the fish and I am beginning to feel jealous of the fish. Belemnites: I guess she speaks to squid too. These are all hers. Here begins a lot of material that we couldn't quite identify, but looked organic in origin. Any help identifying them would be greatly appreciated, although I may have to make a separate post in the fossil ID part of the forum for that. Potential Jaw: This one is also hers. Ammonite-like and Tooth-like Object: Medium-sized Bone-like Rock: These are probably mostly concretions or iron, but any hope that something is in here is worth exploring. Same goes for the unidentified material below. Small-sized Bone-like Rock: Something better be in here or else I'll turn to the creationists for explanation. Larger Unidentified Questionable Objects: Mosasaur for sure. Potential Coprolite: Big Poo Moment. Lastly, here are some pictures taken using a microscope, just for fun: These photos were taken by my girlfriend at her job. She is a productive member of society that uses her paid time productively. - Skidush
  5. 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 are unavailable 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) These specimens share characteristics such as 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. These variants might 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 could 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 - at least from my POV. So, perhaps the Chesapectens 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 accompanied by detailed fieldwork are needed to confirm. Otherwise, these thoughts are largely speculation. 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
  6. Just got back from a family vacay at Holden Beach, NC. These three shark teeth were found by a niece. She let me take some pics of them. No other shark teeth were found. The white one might be modern versus fossil. A guess is juvenile Great White Shark tooth. Measurement - 32mm. I did find a few fossil bivalve shells in matrix with Sea Biscuits ( Hardouinia Mortonis) along with a possible fossil vertebra...I'll post those later. Front and back. Steve
  7. Hi guys, we’ve seen people’s 6 gill and 7 gill teeth, we’ve seen peoples extraordinary common teeth and I thought why not post your single rarest sharks tooth this is mine, incredibly rare from a very small site that has been closed for decades, I haven’t seen another, if you have please tell me
  8. I know fossils and shark teeth are abundant in the creeks of Summerville, SC. I also know you can find them on the beaches and sandbar islands around Charleston. But there are lots of creeks that run through West Ashley, James Island and areas of North Charleston that one could actually walk through. Some feed off the Stono River, Wappoo Creek and the Ashley River (closer to North Charleston). Does anyone know if the geology of the area would make those creeks active producers of fossils and sharks teeth? Or is this too far south from the conditions that are conducive to this? Thanks everyone!
  9. Dragon Slayer

    "Meg Ledge" Hastalis teeth

    I got these Hastalis teeth from a local "Meg Ledge" diver. I'm not completely clear on the I. Hastalis vs. C. Hastalis, broad form vs. narrow form, etc. controversy. My understanding is the North Carolina "Meg Ledges" are all Pungo River formation. Does that narrow down which Mako/White Shark these teeth are? The larger tooth is flat and broad when compared to the smaller one, which is more narrow and thick/robust. Same species, different jaw position, different size shark?
  10. I figured I hadn't posted a trip in a while, so I went out today and the creek provided! My best finds were a posterior Great white and a two inch on-the-dot hastalis, the second largest in my collection, we also got some nice sand tigers and bulls...
  11. SCSTATE Fossils

    Edisto River SC fossil shark teeth

    Lower Edisto River, SC is a great source of shark teeth, fossil whale bones, and other late Cretaceous limestone marine fossils. Teeth and bones are typically stained with the deep brown tannic acids in this blackwater river.
  12. Bill Dye The Travis Guy

    Fossil Shark Teeth ID Help

    Hello everyone, I’d like some help with Identifying these fossil shark teeth. They were found on Caspersen beach near Venice beach Florida. Any help or guesses would be great!
  13. Bill Dye The Travis Guy

    Fossil shark id help

    Went to Caspersen Beach next to Venice beach Florida a few days ago. If anyone can help with identification I would be very grateful. I know they’re pretty banged up but any help please. Also 15 I think is a lungfish tooth? Maybe?
  14. Hello, I have a question about fossil shark teeth. I was wondering if it is scientifically possible if shark teeth could decay and turn into a steinkern during the fossilization process Also wondering if some tooth shaped rock may have been a tooth at one time, before decaying and sediment filling in the impression of the tooth?
  15. As the title says, the fossils were found as a result of collecting seashells during our family vacation at Holden Beach, North Carolina. We've been staying at this beach for about 30 years with many family members joining us. Last year I think we had 45 people representing 4 generations. The nice shells were few and far between and any fossils found were even fewer. All of the fossils are from the Peedee formation and found on the beach as a result of dredge ships doing beach restoration back in 2022. That's when everyone on the beach would find several hundred Sea Biscuits - Hardouinia Mortonis - per person. Well, that heyday is over and while the broken fossils were still plentiful, the pristine whole ones were very rare. My niece was the only one to find any shark teeth, though she was also the only one looking for them. The beach sand near the end of the island where we stayed was mostly smooth with few shell beds at high or low tide. I found nice shells because the early riser gets the shells, just like the second mouse gets the cheese. 6 AM was sunrise and I was a quarter mile down the beach by then and walked 1.2 miles to the end of the island where the inlet had more churning waves and sand, thus revealing more shells. On the first day I found one knobbed Whelk in decent shape and on day 2, I found 14 Whelks. My collecting was to share with the family and mainly to find a few nice ones to send in a goodie package to our daughter at Vanderbilt plowing her way through the first weeks of her Masters Program. So she gets a beach tee shirt, seashells and treats. On to the images. Some shells and then right to the dredged fossils. Mid week haul. Most of the fossils found. The shark teeth. The junior Great White tooth...modern or fossil...I don't know. It's 32 mm long. These are fossil oysters and I believe they are Exogyra costata. I found specimens of both valves. Fossil scallop - possibly Chesapecten jeffersonius Something different...maybe turtle shell piece? Flip side of same piece. What do you folks think it is? And here's another new find for me. My guess is marine mammal bone. Porpoise or small whale? No clue...just guessing. Flip side End view. Anybody have an ID for this? And this Whelk may or may not be a fossil. This is the best condition Sea Biscuit that I found all week. A medium sized specimen with a coral hat. That's all folks! Steve I do have some others covered in matrix which I will work on soon. Steve
  16. I am in need of some help with ID’s on these three shark teeth from the beaches of South Carolina. I think that 1 and 3 might be a species of Isurus, but I have trouble with shark teeth… Number 2 is unlike any I have ever found at the beach with that little cusplet. All help is appreciated.
  17. ThePhysicist

    Good day

    From the album: Post Oak Creek

  18. ThePhysicist

    Huge Cretodus discovery

    From the album: Post Oak Creek

    I audibly gasped upon seeing a 2"+ Cretodus.
  19. Hey hi Everybody! I like the unusual teeth. And posterior teeth are some of the most unusual in any given species. So I thought I would start a thread for posterior shark teeth of any species. To kick it off..... Here are some from Shark tooth hill (round mountain silt). I think these are Carcharodon hastalis and (?) planus. The smallest one is just under 1/8th inch wide. So, if You have any posterior shark teeth - please post pictures here. Thanks, Tony
  20. 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.
  21. Shaun-DFW Fossils

    Various woodbine shark/fish teeth?

    Here are the teeth I’ve extracted so far from small slabs I found in southern Johnson County near Grandview, Texas last week in the woodbine group. Any ideas on identification for these? Sorry that my photos may be somewhat lacking. I don’t yet have the scientific species memorized, so I welcome scientific names but also common names so I can better picture what it looked like. I have more to remove from matrix when I have time. I used the dremel 290 and I didn’t break any teeth, though you see at least one or two were already broken when I found them. Thank you!
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