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Showing results for tags 'paleocene'.
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Shark Vertebra from the Aquia Formation, Maryland
Jeffrey P posted a gallery image in Member Collections
From the album: Tertiary
Shark Vertebra Paleocene Aquia Formation Douglas Point Charles Co., MD.-
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Croc Scute from thr Aquia Formation, Maryland
Jeffrey P posted a gallery image in Member Collections
From the album: Tertiary
Crocodile scute Paleocene Aquia Formation Douglas Point Charles Co., MD.-
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Evaluation of Paleocene-Eocene thermal maximum impact trigger hypothesis
Oxytropidoceras posted a topic in Rocks & Minerals
Galinkin, R.A., 2019. Evaluating the impact trigger hypothesis for the onset of the Paleocene-Eocene thermal maximum (MS thesis, Rutgers University-School of Graduate Studies). https://rucore.libraries.rutgers.edu/rutgers-lib/60679/ https://rucore.libraries.rutgers.edu/rutgers-lib/60679/PDF/1/play/ Yours, Paul H. -
My girlfriend, Valerie and I planned a two week trip to New Mexico and Colorado to visit friends, see scenery, and attend the Peach Festival in Palisades. Of course fossil collecting would be a part of it. I spent a full day with PFOOLEY outside Albuquerque in the Puerco Valley hunting ammonites in the Carlile Member of the Upper Cretaceous Mancos Shale.
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From the album: Vertebrates
Argentina sphyraena Linnaeus, 1758 "lesser argentine" Late Paleocene to Early Eocene Fur Denmark Length 6cm -
From the album: Just Above the Iridium Layer
Granocardium sp.? Cast of bivalve shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
Cast of Tiny Bivalve Shell from the Pinna Layer
Jeffrey P posted a gallery image in Member Collections
From the album: Just Above the Iridium Layer
Crenella cerica Cast of Tiny Bivalve Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
Cast of Tiny Partial Scallop Shell from the Pinna Layer
Jeffrey P posted a gallery image in Member Collections
From the album: Just Above the Iridium Layer
Pecten whitfieldi Cast of tiny partial scallop shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
Cast of Partial Gastropod from the Pinna Layer
Jeffrey P posted a gallery image in Member Collections
From the album: Just Above the Iridium Layer
Deussseni sp.? Cast of partial gastropod Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
From the album: Just Above the Iridium Layer
Trigonia eufaulensis Cast of Bivalve Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
From the album: Just Above the Iridium Layer
Gyrodes supraplicatus Cast of Gastropod Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
From the album: Just Above the Iridium Layer
Pycnodonte convexa Cast of Oyster Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
From the album: Just Above the Iridium Layer
Cucullaea vulgaris Pair of Bivalve Casts Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J. -
I will introduce this article by quoting the last sentence: "The place has been the site of fossil finds since the 1980s, and many of the discoveries - like this latest one - are made by dedicated amateur palaeontologists." LINK to article
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Hey everyone, realizing right now that I haven't posted any fossils of my own in quite a while on the forum. Anyway, I found this tooth back in 2016 on my trip to the potomac river in maryland. It was found at purse state park which has exposures of the paleocene Aquia formation. When I first took a closer look at this tooth I was surprised to see that it had a shape which I had associated with Tiger sharks. I did some research online and found that Pachygaleus would be a match as they are present in that strata. It has been a while since that initial discovery but I wanted to confirm my idea on the forum. It's about .6 cm wide at the root and about .4 cm long. Thanks, PN
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So I was rooting again around in the garage and found a couple plates I had bought a few years back and never tracked down an ID for. Tentative provenance was Paleocene from Montana. I found this article recently and was wondering if it could be one of the genera/sp described or one of the other genera mentioned in the discussion section. Trapa, Trapago, Fortuna, Quereuxia. STOCKEY, R. A., AND G. W. ROTHWELL. 1997. The aquatic angiosperm Trapago angulata from the Upper Cretaceous (Maastrichtian) St. Mary River Formation of southern Alberta. Int. J. Pl. Sci. 158: 83-94. Can be found here: https://www.researchgate.net/publication/240563741_The_Aquatic_Angiosperm_Trapago_angulata_from_the_Upper_Cretaceous_Maastrichtian_St_Mary_River_Formation_of_Southern_Alberta I also was looking at the USGS pub 375 https://pubs.usgs.gov/pp/0375/report.pdf My plates have a number of leaflets and fragments with very little venation visible and in a pale gray and a light pink color in a very fine matrix.....Many of the leaflets have small teeth... Plates: Crenulations Leaflets and partial venation Anyone have any expertise in these? Looks like the authors were indicating more study is needed in this area of aquatic plants--that was 20 years ago. Any help is appreciated. Thanks! Regards, Chris
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Long time dream comes to fruition!
FossilDAWG posted a topic in Partners in Paleontology - Member Contributions to Science
Long ago, back in the late 1980s, I lived in British Columbia and had the opportunity to collect in the Late Cretaceous Nanaimo Group. I realized that many of the crabs and lobsters I was collecting were undescribed, so I made an effort to collect any material I came across. I tried to find a collaborator willing to help describe the material, but (for reasons I described elsewhere) that didn't work out, and I was encouraged to take on the writing myself. Since I had to focus on my own research career, which actually has nothing to do with paleontology, the project languished and over time most of the taxa were described independently by others, based on specimens collected by other people. Although I would have loved to contribute to the published record of the Nanaimo Group I became convinced that that would not happen. Then, about two years ago, I was corresponding with Torrey Nyborg (a fossil decapod expert well known to some Forum members @fossisle @MB @Al Dente) and found out that he was working on some new species of the crab genus Archaeopus from Vancouver Island and California. I sent him my material, one thing led to another, and the paper has just been published. I am very grateful that Torrey included me as a coauthor. I was also able to contribute the holotype of Archaeopus morenoensis (Figure 15 panel A, attached below), which is actually from California. So thanks to Torrey I feel my long-ago efforts paid off. Don
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References: S. Wedmann, D. Uhl, T. Lehmann, R. Garrouste, A. Nel, B. Gomez, K. Smith & S.F.K. Schaal (2018) The Konservat-Lagerstätte Menat (Paleocene; France) – an overview and new insights. Geologica Acta, Vol.16, Nº 2, 189-213, I-V DOI: 10.1344/GeologicaActa2018.16.2.5
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At 1400 hours on 10/13/2018, I collected a number of specimens from the Tullock Member of the Fort Union Formation. The location is about a mile north of Miles City. The rock is fine silty clay with leaves and twigs mixed into the sediment. Above the strata is a layer of cattails forming a matted layer. Source for leaf identification came from Reproductive and Vegetative Organs of Browniea gen. n. (Nyssaceae) from the Paleocene of North America Article in International Journal of Plant Sciences, February 2007.
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Nothing to crazy going on today. My wife found this piece of bone and she wants to know what it is. My initial thought is it was some random piece of croc but now that I’m looking at it closer I’m really unsure. Take a look tell me what you think
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After the long month without fossil hunting, we decided to go to Purse on a free weekend. Now that it is a former state park, it's a lot harder to find because there is no address to it, so hopefully it can recover from some of the hunting that has taken place upon it's shores. I really, really wanted some nice Macrotas after all the talk I had heard about them, and thankfully, Purse didn't disappoint. It was the middle of hunting season there, and we werent wearing anything particularly bright, it was a little nerve racking hearing the boom of gunshots far of in the distance. We started by going right towards the cliffs after hearing a comment about a big otodus found there. After only finding small things, including some nice Cretolamna and Carcharias, as well as a couple goblins, we turned left, and that was where things got interesting, still peppered with the occasional crack of a gun. My identification for Paleocene fossils isn't positive, because I'm used more to Miocene, but I believe the tooth on the right may be a Macrota. It's around an inch. The teeth kept racking up. We had easily found at least two hundred, and I really can't wait to identify and label them. We were both quite tired, being as we had gotten up pretty early that day and explored the whole beach. No otodus, but around 230 teeth and hopefully a big ole' Macrota!
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Shark Tooth ID help- Cretolamna sp. (appendiculata?) or Otodus obliquus?
PB&J Mama posted a topic in Fossil ID
Hello All! I found this shark tooth at Purse State Park in Charles County, MD. Located on the Potomac River, these fossils are from the Aquia Formation. As a novice fossil hunter, I would love some help in identifying this tooth. Is this a Cretolamna sp. (appendiculata?) or Otodus obliquus? Thanks so much in advance! ~Natalie
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PaleoNoel's Fossil Hunting Chronicles: Potomac of Maryland, April 2016
PaleoNoel posted a topic in Fossil Hunting Trips
I would consider 2016 to be the year that my fossil hunting career really took off, I had spent trips prior to this grooming and developing my skills and it began to show in this period. My school vacations have always been the time where I've been able to get out into the field and go fossil hunting, this particular opportunity was afforded to me by my class trip to Washington D.C. which then lead into my April vacation. Having devised a plan to go fossil hunting before leaving, my dad picked me up at the end of the DC visit before the rest of the group took the grueling bus ride back to NH. From there we went south to Charles county, MD with the intention of going to Purse State Park in hopes of finding some Paleocene shark teeth. And find them we did! After parking, we walked down a trail which led down to the waterfront and a long strip of gravely beach. I soon found out just how bountiful this area could be when looking in the right places. At the end of the day we had found plenty of Shark's teeth and ray dental plates. The majority of the teeth came from various species of sand tiger sharks which patrolled the waters of the greater D.C. area 59 million years ago when it was covered by a warm shallow sea. Here's the haul we had after a few hours collecting.
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I am looking for some help IDing these leaves. They were collected less than a mile north of Miles City. They came out of the Tullock Member of the Fort Union Formation. They are Paleocene, Danian age. These leaf fossils were with Sequoia and grass leaves.
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