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Showing results for tags 'Oligocene'.
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Toothless, 33-Million-Year-Old Whale Could Be an Evolutionary ‘Missing Link’
Kasia posted a topic in Fossil News
https://gizmodo.com/toothless-33-million-year-old-whale-could-be-an-evolut-1830739126 https://www.eurekalert.org/pub_releases/2018-11/cp-3wf112118.php https://phys.org/news/2018-11-whales-lost-teeth-evolving-hair-like.html
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I spent a few hours fossil hunting on two separate trips on Forest Service land in Montana. The first trip was this past spring looking for Late Oligocene - Early Micoene flora about 90 minutes outside of Missoula. The second trip was during at stint over the summer at a fire lookout tower in the Flathead where I spent just a few hours one morning looking at Devonian and Mississippian marine layers. Besides the obvious, the trips were quite different. The spring trip was a drive to a road cut on a Forest Service road while the summer trip was a seven mile hike in. Additionally the medium is completely different; flakey, brittle shale compared with big, blocky limestone. You can keep non-vertebrate fossils as long as you don't plan to sell them. Prior to heading to an area, I look through publicly available research, lectures, field trips, etc. to find possible localities. I only found limited information on possible identification of the Late Oligocene - Early Micoene flora and most of if was unpublished graduate work from a nearby site with only some overlap on species. Please feel free to correct any id's or throw new ones out! I believe these are cercocarpus, a mahogany.
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From the album: Summerville, SC Fossil Hunts
Carcharodon hastalis Summerville, South Carolina© Matthew Brett Rutland
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From the album: Summerville, SC Fossil Hunts
Carcharocles angustidens Summerville, South Carolina© Matthew Brett Rutland
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A new paper regarding toothed mysticetes is available online: Azucena Solis-Añorve; Gerardo González-Barba; René Hernández-Rivera (2019). "Description of a new toothed mysticete from the Late Oligocene of San Juan de La Costa, B.C.S., México". Journal of South American Earth Sciences. in press. doi:10.1016/j.jsames.2018.11.015. Niparajacetus is the second Oligocene mysticete to be described from Mexico and the southernmost occurrence of an aetiocetid-like mysticete from the Pacific Coast. I wanted to see if anyone has a copy of the this paper because there's no free access at the website for this paper.
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- baja california
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From the album: Vertebrates
Hipposyngnathus neriticus Jerzmanska, 1968 Menilite Formation Oligocene Jamna Dolna Poland -
From the album: Fossils From Bouldnor, Isle of Wight
Proximal phalange from an anthracothere, probably Bothriodon based on its large size (43 mm long). Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma) -
From the album: Fossils From Bouldnor, Isle of Wight
Tooth from an anthracothere, probably Bothriodon or Elomeryx. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma) -
From the album: Fossils From Bouldnor, Isle of Wight
Tooth from an anthracothere, probably Bothriodon or Elomeryx. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma) -
From the album: Fossils From Bouldnor, Isle of Wight
A large fragment of mammalian jaw belonging to the anthracotheriid Bothriodon. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma) -
Partial skull purchased many years ago. From Dakota Buhle { ? } Fm. About 2 1/2 " long. Ideas ?? Thanks.
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- mammal skull
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This fossil was found by my uncle on the beaches of Onslow county in North Carolina. The fossil is roughly 18-19 inches long and 3-4 inches in width at its base. Any help is appreciated, ty.j
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I found this little astragalus with PaleoProspectors in Wyoming in late July of this past summer. It was found during the day spent on a ranch with White River Formation Oligocene exposures. I was wondering what animal it belonged to. Leptomeryx? Poebrotherium? some sort of oreodont?
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From the album: Pisces
32mm. Not so sure about the info and determination on this one, therefore the cf. Picked it up on an internet auction where the only information I could get was "Parotodus, South Carolina". However, with the help of the friends on the id forum I was able to narrow down the id and also am pretty certain that it was found in a river in the Oligocene. -
Good afternoon, I found this item during a during a pre Hurricane Florence visit to Onslow Beach. It seems to have some earmarks of a bone but the shape is very unusual. I am also leaning towards it being an interesting piece of nothing.Thank you in advance for any and all assistance.
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These toe bones were found in association with a ton of fragments. Quite a puzzle! Any idea from these tiny hooves what I might be working on?
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I posted a topic - Middle Devonian of Livingston County New York - recently and decided to include the other shelves in the display case. Also a fellow member requested to see more in the room so its their fault I had many more Oligocene fossils at one time and this is what I kept over the years (either I found it or it means something to me). Im sure there will be questions for me. Thanks, Mikeymig
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My wife and I found these small jaw fragments in W. Nebraska earlier this month. Not sure of the ID's. Each is about 3 cm long. Help is appreciated! Jaw 1 Jaw 2 Jaw 3 Jaw 4 Jaw 5
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This shell was found in-situ in a late Oligocene formation. The site represents a shallow tropical near-shore environment in what is now the Gulf of Mexico. What is strange to me is the unusual marking on it that I have not been able to determine the identity of. I want to say that it is a bite mark from something, but I really have no idea as this is really not my area of expertise. Edit: I am not referring to the borehole produced by a predatory snail, but the scratch marks near it. I figured that it would at least make for an interesting conversation. The shell measures about 2" across.
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References: Gaudant, J., et al., (2017) The uppermost Oligocene of Aix-en-Provence (Bouches-du-Rhône, Southern France): A Cenozoic brackish subtropical Konservat-Lagerstätte, with fishes, insects and plants. C. R. Palevol, http://dx.doi.org/10.1016/j.crpv.2017.08.002
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From the album: Vertebrates
Dapalis macrurus AGASSIZ, 1834 Oligocene Radomir Bulgaria Length 8cm -
From the album: Vertebrates
Dapalis minutus BLAINVILLE, 1818 Oligocene Cereste France -
References: N. Micklich and N. Parin (1996) The fishfauna of Frauenweiler (Middle Oligocene, Rupelian; Germany): First results of a review. Publicaciones Especiales Instituto Espanol Oceanographia 21, 1996, 129-148.
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Hi guys, I recently acquired a piece of fossil Mesohippus teeth that apparently originated from the White River Badlands of South Dakota. The fossil however does not contain any info about what formation it came from. Does anyone have any idea as to what formation it could have come from?
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Hi all, For my birthday (some days ago, the 16th) I got a fantastic fossil fish from my sister! Behold, a Dapalis macrurus from the location Céreste (France). It’s from the Rupelian stage of the Oligocene (30 my). Now I was just wondering if anyone knew which formation this fish comes from? I’d love to have that info! Best regards, Max
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