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Showing results for tags 'plesiosaur'.
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I've got this very worn vertebral centrum from the marine Conway Formation near Oaro (Late Cretaceous; about 79-73 Ma) on the south island of New Zealand. The only two logical candidates are plesiosaur or mosasaur from this formation, both of which are known here. There are characteristics of both groups seen on this bone which is tripping me up a bit. One end face seems a bit concave and the other more convex which is a mosasaur feature, but then there also looks to be two distinct holes on the ventral side (see photo three) which could be the paired foramina that are characteristic of plesiosaur vertebrae. So i am left scratching my head! What do others think? Front face Dorsal view Ventral view (note what look like paired foramina) Lateral view
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- conway formation
- haumuri bluffs
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Are these Plesiosaur vertebra's?
msantix posted a topic in Is It Real? How to Recognize Fossil Fabrications
Saw this for sale, and was wondering if these are Plesiosaur vertebra's?. The fossil is from the Goulmima region in South - Eastern Morocco. Thanks. -
So, what do we all havecurrently on the prep table? Be interesting to see what challenges await everybody. My current piece is this bone block, most likely ichthyosaur rib. A few scattered ammonites from the genus Dactylioceras sp. if expecting to probably found more bone further in all being well, probably a vert or two and some more ribs.
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Can anyone tell if this is a plesiosaur femur or humurus? Or if not, have any thoughts on what it could be? From what I can tell it seems to have a slightly shorter/heavier curved length, and a more symmetrical curve than most plesiosaur bones Ive seen. I think it looks VERY close, but the slight differences I'm seeing are consistent with almost every plesiosaur bone I'm seeing, which makes me think the slight difference is a tell that it's not. Also, I don't see the ridges on any plesiosaur bones, but I don't know if that's natural to the bone, or from damage from fossilization at some point, but it does look natural to me. Sadly I do not know where it's from(yet), and I don't know yet if it starts to flatten towards one side, which I believe is an absolutely necessary feature. Hopefully I can find out and add that info, but I'd imagine it could still at least potentially be debunked as a plesiosaur bone in the meantime.
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This started bothering me from lack of fossils for sale(and tooth prices when they are), and although this is far from anything scientific or reliable, I feel like I hear about plesiosaur fossil finds significantly more than pliosaurs finds(im not really sure how to begin searching for that kind of compiled info). Is there a reason pliosaurs seem to be so rare? As far as fossils for sale, the only thing I can think of, other than pliosaurs being just plain rare(super rare when compared to the number of plesiosaurs), is that for some reason everyone just mistakes/assumes pliosaur fossils are actually from plesiosaurs.
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From the album: New Jersey Late Cretaceous
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From the album: Fossils From Lyme Regis And Charmouth
Collected between Lyme Regis and Charmouth in Dorset, England. Charmouth Mudstone Formation. About 195-190 Ma. -
From the album: In-Situ Shots(various locations)
9-7-18- 1 comment
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From the album: Denton County, TX
9-7-18 -
From the album: Denton County, TX
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From the album: Denton County, TX
9-7-18 Denton County, TX -
Hello everyone, this is Trevor. I have been meaning to post this for a long time and finally got around to doing it. I would appreciate help identifying these finds. Also, stay tuned I have a trip report coming out later this week, probably Friday. What type of ammonite is this? (middle)
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From all the comparing Ive done, i think it almost looks exactly right, except I haven't been able to find any vertebrae with the things on the bottom(chevrons?) shaped like that; that 90degree bend. Is that familiar to anyone? Is that something that appears on plesiosaurs or not? (no better angle of the chevron(?)on the other side)
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Finally got back out to the streams today and was a beautiful day and great finds,,,,,my wife found what I believe to be plesiosaur if you guys can give us some info please...............thanks
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- cretaceous
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Nice surprise today. Only my 2nd Plesiosaur vert in my first 4 years. Ive got about 150-1 ratio Mosasaur to Plesiosaur verts. It’s small but in great condition North Texas Late Cretaceous 86-90 mya
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Could this be a plesiosaur(elasmosaurus) jaw? I tried comparing but it's hard to see the picture of jaws in ideal positions and angles and such. Also, with so many extreme teeth it can be hard to see perfectly in a lot of pictures. (Location-wise and all, it could be, this is just about the physical jaw itself)
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From the album: Marine reptiles and mammals
Pliosaur teeth--liopleurodon ferox(?) & unidentified genera plesiosaur teeth--cryptoclidus sp & cryptoclidus sp (?) lower oxford clay callovian stage middle jurassic 160 mya peterborough, cambridge U.K. Hampton lakes & Bradley Fen.whittlesey -
From the album: Marine reptiles and mammals
Unidentified plesiosaur vertebrea Jurassic period kimmeridge clay weymouth, Dorset U.K. -
Zarafasaura Oceanis elasmosaurus sacral(?) vertabrae
Still_human posted a gallery image in Member Collections
From the album: Marine reptiles and mammals
Zarafasaura Oceanis Elasmosaurus sacral(?) vertebrae. -
I've been offered this partial jaw. It's not the best example in the whole world, but it does have some in-situ teeth. Does anyone have any thoughts on it? I believe that is actually Plesi and not some obscure Moroccan crocodile, but let me know if it's something else! I assume Elasmosaurus of some kind? The teeth look OK to me, I can't see any obvious sign of tampering, although I am always suspicious that one or two could have been added. No actual signs of it though. Any thoughts would be welcomed. My understanding is that these are extremely rare. But still, rarity's not everything. Apologies for the less-than-great pictures.
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Jeff J. Person & Becky Barnes, 2018, New Plesiosaur Exhibit at Heritage Center State Museum. Department of Mineral Resources Geo News. 45(2) pp. 1-4. https://www.dmr.nd.gov/ndgs/documents/newsletter/2018Summer/New_Plesiosaur_Exhibit_at_Heritage_Center_State_Museum.pdf https://www.dmr.nd.gov/ndgs/newsletter/2018Summer.asp Clint A. Boyd, 2018, A Pleasing Discovery from North Dakota’s Ancient Seas. Department of Mineral Resources Geo News. 45(2) pp. 5-10 https://www.dmr.nd.gov/ndgs/documents/newsletter/2018Summer/A_Pleasing_Discovery_from_North_Dakotas_Ancient_Seas.pdf https://www.dmr.nd.gov/ndgs/newsletter/2018Summer.asp Yours, Paul H.
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I found this a few years ago and it continues to fascinate me. Occasionally my mind wants me to call it Dino but I’m pretty certain this belongs to a Plesiosaur. 9 inches long and weighs almost 10 lbs. North Central TX Late Cretaceous 86-92 mya
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Plesiosaur Found at Syncrude North Mine, Fort McMurray, Canada
Oxytropidoceras posted a topic in Fossil News
Marine reptile fossils found at Fort McMurray area worksite Ancient reptile skeleton is approximately 60 per cent complete CBC News and Fort McMurray Today articles, July 18, 2018 https://www.cbc.ca/news/canada/edmonton/plesiosaur-fort-mcmurray-syncrude-1.4752748 http://www.fortmcmurraytoday.com/2018/07/18/dinosaur-remains-discovered-at-syncrude-north-mine An older and related article: More fossils of marine dinosaurs discovered at Syncrude By Vincent McDermott, Fort McMurray Today, July 17, 2017 http://www.fortmcmurraytoday.com/2017/07/17/more-fossils-of-marine-dinosaurs-discovered-at-syncrude P.S. I am *not* responsilbe for the content of the headlines. Yours, Paul H.-
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Same Story again, looking whart i can make of a bought model that has been around for some time. Another marine tetrapod. To be perfectly clear, This is a commercially bought Model which I changed to my ideas.Like my marine sloth and most of my dino- and other saurian ,models, but not my whales. I ordered the model from geoworld because some of the line had been quite nice. When I first saw it I didn´t think I could make something for my collection out of it. Trying it anyway. Scaled size and approximate proportions of Futabasaurus, not reallyenough detail to tell. Aloha J
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The plesiosaur has long been one of my favorite prehistoric creatures of all, especially after reading tales of the Loch Ness Monster. I've always wanted a jaw from one, thankfully @StevenJDennis recently scouted this beauty for me from Tucson. I estimate roughly 30% restoration, mainly to the rear portion of the joint(?) and some filler. Also, majority of the teeth have been planted from Zarafasaura oceanis, another elasmosaur. Still, he's earned a spot as one of my showpiece fossils. He measures 17 inches long and 7 inches wide. Plesiosaur Mandible Elasmosauridae (Libonectes atlasense Buchy, 2005) 94.3 - 89.3 million years old | Turonian, late Cretaceous Akrabou Formation Asfla Village, Goulmima, Errachidia Province, Morocco I assume this is an erupting tooth
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