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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
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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.
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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!
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Potomac trip from back in Mid March. First Otodus!
Atoothsatooth42 posted a topic in Fossil Hunting Trips
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! -
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!
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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?
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I recently sculpted a super-sized Paraorthacodus clarkii shark tooth using epoxy putty, based on examples I've found from the Paleocene of Maryland, USA. The sculpture is about 5 inches (13 cm) wide vs. 0.35-0.5 inches (9-13 mm) wide for the teeth I've actually found. The enamel coloring (acrylic paint) on this is more fantastical than my previous Cretodus tooth sculpture, though is still loosely inspired by blue-grays on some of my actual teeth. Here's the finished sculpture after painting: Here's the sculpture before coloring (I forgot to take photos before doing any painting, but the images below are the tooth with a light coat of primer): For comparison, here's the most complete example of Paraorthacodus clarkii I've found and that's in my collection: And another example that I relied on quite a bit while creating this sculpture:
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From the album: Fossils
This is the first Otodus I ever found. It is from the Aquia Formation along the Potomac River and measures 1.15 inches. Only the root was sticking out of the indurated matrix and it took several hours of chiseling with a sharp screwdriver to reveal the crown. -
From the album: Fossil Collection: DC Area and Beyond
Cucullaea gigantea Henson Creek, MD Aquia Formation Paleocene-
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From the album: Fossil Collection: DC Area and Beyond
Ostrea alepidota Henson Creek, MD Aquia Formation Paleocene -
I was shown this rock recently and am trying to get an ID. It was found near Weldon, Montana, USA in a wash. Likely from Paleocene age Fort Union Formation. I thought they were leaves initially, but at least one white section looks more like a vein when seen in cross section. That can be seen in the fourth photo, center left. Sample is approximately 14 x 12 x 4 cm. Outer brown layer of the rock has a very glassy texture. Any guidance would be appreciated.
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I haven't posted in quite some time, but I thought I'd share my last few trips to the Potomac river. I've made three trips in the last few weeks, with pretty good success. The second trip I found my 4th Otodus obliquus that exceeds 2" on the slant height, and the largest I've found at Purse state park, sadly it has major feeding damage... On the last trip I found a monster Striatolamia striata (?) (These larger teeth are typically considered macrota, but I'm not sure if that species is present in the Aquia Formation.) I'm also including a few pictures of a large shark vertebral centrum I found at the end of September on a trip I didn't take pictures for. Lastly, I thought I'd include the 4 2"+ Otodus teeth I mentioned earlier, since finding one was my main objective for a long time. The largest is 2.75" slant height. Thanks for looking, and good luck to everyone on their next trips!
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I wasn’t expecting much from this weekend adventure, been having a dry spell with the last few hunts and a lot of misses. Gave it the good OL’College try again and oh did it pay off big time with finding not one but 2 teeth in extraordinary condition on back to back days and 2 different epochs vastly separated from each other geographically which is really cool. Time traveling but without the DeLorean! (Front and back photos of the larger tooth) 2 & 5/8 inches from tooth tip to the larger side of the root; which would be about 66 mm.
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From the album: Aquia Formation
These teeth are generally identified as Cretalamna appendiculata but should probably be Cretalamna sp.© bthemoose
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