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Showing results for tags 'Ichthyosaur'.
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Lit: De La Beche & Conybeare (1821), Conybeare (1822), Owen (1840, 1851, 1881, 1849-84).
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Lit: De La Beche & Conybeare (1821), Conybeare (1822), Owen (1840, 1851, 1881, 1849-84).
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Ichythosaur isolated bones basioccipital, coracoid and phalanx, ribs. Lit: De La Beche & Conybeare (1821), Conybeare (1822), Owen (1840, 1851, 1881, 1849-84).
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Lit: De La Beche & Conybeare (1821), Conybeare (1822), Owen (1840, 1851, 1881, 1849-84).
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Here is a piece with four paddle bones and another bone from a rather big Ichthyosaur. I found it about 2 weeks ago in the quarry Kromer near Holzmaden (Lower Jurassic) and finished the prep today. Overall I spent about 6 hours to prep this one. Especially because of the belemnites. The paddle bones are about 5 cm long. Sadly I forgot to take a picture of the unprepped stone but you could only see the cross sections of the bones on both. But here are some pictures of the progress: Finished: And some detailed pictures: I used air scribes and air abrasion to prep it.
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Hi all, Last week I had theopportunity to visit the place once again (first described here). Unfortunately the trip went way worse than I expected. I knew the water was high, but was not prepared enough. I thought with high water I could still access small beaches and concentrate on small stuff - not necessarily big bones and verts, but maybe teeth, echinoids, crustacean fragments etc. I hoped having seen the pictures from the forum I woudn't miss interesting material. Having arrived to the coast I immediately saw the passage was blocked by fallen and washed ashore trees. I surely tried to move along but didn't make it far due to numerous trees, slippery clay and algal bloom.
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From the album: Holzmaden
This picture shows associated Ichthysaur bones from the quarry Kromer near Holzmaden (Lower Jurassic). It was found by me last year and was prepped by Roger (@Ludwigia). The prep work took about 10 hours. The associated vertebrae are around 13 cm long and at the maximum the piece is 20 cm long. Beside those vertebrae there are also Ichthyosaur ribs and Ichthyosaur paddle bones on the stone. Maybe it was a small Stenopterygius or a young one from another species. The vertebrae: The vertebrae and the ribs: The paddle bones: Some more detailed pictures: This piece is the best one in my collection until now and the vertebrate find of August 2017 !- 7 comments
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Last Sunday I was able to find a piece with some jaw bones and teeth of an Ichthyosaur in the quarry Kromer near Holzmaden. I was very pleased with that find because the situation in the quarry is not the best. There is only a kinda small pile of stones where you are allowed to search (and where you can find marine reptile fossils, in the other regions of the quarry its very unlikely to find a bone or a teeth of a marine reptile). And this pile consists at the moment only out of very small rocks because they were laying until the beginning of the year there. So many collectors already searched there. And it's very likely that they don't get new material in this summer... Here is a bad picture of the quarry: And here are some pictures of the jaw bone with the teeth: The prep work took about 5 hours. It's a pity that I lost that missing part in the quarry. I searched about 1 hour for it but couldn't find it. But at that time I didn't know that its a jaw bone (no teeth were visible). Now about 65 small Ichthyosaur teeth are visible. They are from a very small Ichthyosaur, maybe even from a juvenile!
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Hello Everyone, This came off the beach at Lyme Regis, heading toward Charmouth. I believe it to be part of an Ichthyosaur front paddle from near the "wrist" end. Confirmation required and any further information would be great. Thank you.
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From the album: Yorkshire Ichthyosaur Fossils
Found on the yorkshire coast. -
From the album: Yorkshire Ichthyosaur Fossils
Ichthyosaur paddle and large rib. -
Hi everyone! Took the two hour drive to Kings dyke on Sunday hoping that the new material that had been dumped would produce. For those who are unsure Kings dyke is a nature reserve situated next to a working brick quarry. Every so often they dump a load of the spoil from the quarry in a area that the public are allowed to search in. In the photo below you can see the working quarry in the background and the fenced in fossil area in the foreground. What i would give to be allowed into the main quarry..... This material is absolutely full of Gryphaea 2D ammonites and sometimes marine reptile bones and fish fossils. Unfortunately on this day, the bones eluded me. I ended up digging in random spots until i found large blocks that were big enough to split and this resulted in some lovely large belemnites with most coming out in a multiple pieces apart from a couple which came out complete. Certainly the largest ones i have ever found. I then drove 20 minutes down to a road to a disused quarry located on the edge of Yaxley. This quarry has nearly been completely flooded however there is a small area where the Oxford Clay is exposed on the surface at the edge of the flooded area. The fossils erode out of the bank on the waters edge so you can either walk along the bank, or, as i and others do, put on waders and sieve the material that is at the bottom of this bank in the water. Before long i had found plenty of smaller ammonites of different species, a single vertebra which looks like it has come from a fish, and what i think is my first ever Ichthyosaur tooth. Albeit just the tip. If anyone can confirm for me that would be brilliant. Length is 9mm. After a few hours my back was in agony and with big black rain clouds threatening i headed off for what should have been a two hour drive home, however due to an accident and a detour i got lost on it took nearly 5 hours... Hope you have enjoyed reading this and have a nice day!
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From the album: Holzmaden
A 3.5 cm long Ichthyosaur vertebra from the Posidonia shale from the quarry Kromer near Holzmaden. Another picture: -
I wasnt very active recently so sorry for that. But the last weeks I was several times hunting for fossils in the quarry Kromer in Holzmaden (Germany) and in this thread I want to show you some things I found there. As some of you know may know I am mainly interested in marine reptile fossils so most of the finds are marine reptile bones and teeth ... So firstly some teeth. I actually found a lot of them but these are the best ones I found this year: A 2 cm long Steneosaurus tooth (crocodile): Another Steneosaur tooth with a length of 1,8 cm: And the last 1.2 Steneosaur tooth: I also found some Ichthyosaur teeth. Here is one of the nicest from this year: Besides of several teeth I also found some bones. Ichthyosaur bones are the most common type of bones there so I found mainly Ichthyosaur material. Especially I found many ribs but they are mostly not prepped yet. Here is just one little example: Its about 10 cm long. I didnt found many vertebrae this year but here is a pretty neat one with a length of about 3.5 cm: A bit rarer is this little Steneosaur (crocodile) vert: I am really happy that I can say that I found some pterosaur material this year. As these are marine deposits you may can imagine that pterosaur bones and teeth are very very rare. Here is a little 6 cm long and very worn pterosaur bone: Another pterosaur bone: This one is about 11 cm long. I didnt saw that one in the quarry Kromer but I took the stone with me because of a tooth on the other side of the stone so I was very pleased as I turned the stone around at home The next one is probably my favourite find of the year until now: These are also pterosaur bones (the big one might be a humerus?) Some more pictures of the same piece: And last but not least this find: I am actually not sure what it is. Might be pterosaur bone too ( maybe a Scapula?) or another possibility would be a bone from the skull but its kinda difficult to determine isolated bones ... Still many bones and teeth to prep and the year is still young so lets see what I can find/reveal! I hope you like some of my finds and thanks for watching
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From the album: Holzmaden
A 1.4 cm long Ichthyosaur tooth from the lower Jurassic from the quarry Kromer near Holzmaden (Germany). Some more pictures: -
Hi all, This is a report on my recent fossil hunting trip to Ulyanovsk region, Russia, inspired by the most interesting stories and pictures I read and looked up here. I took many photos myself in an attempt to convey the atmosphere. I dont think you know much about Russian fossil hunting spots, so I start with a short description of the place I visited. Ulyanovsk Oblast (region) is located in the middle Volga basin and much of its territory is covered by a part of the Kuybyshev Reservoir (largest in Europe). Its sometimes called Kuybyshev sea and for a reason: with distance between coasts reaching 30-40 kilometres, unless the weather is super clear, the other coast is not visible. Add frequent stormy weather with high waves and the impression of a sea is almost complete. Creating the reservoir lead to big scale soil erosion with prehistoric layers coming to surface. They are constantly washed away with fossils becoming available by simply walking along the shore. Basically all the western coast in the region is covered with late Jurassic-early Cretaceous deposits, mostly Kimmeridge clay (155 ma) with Hauterivian layers (130 ma). The fossils are good quality and do not require any preservation except the fact they are often pirytised thus subject to oxidation. The place is (or was) very rich in sea fossils: ammonites, belemnites, reptile remains etc. They say at least 3 reptile genus and 20 species were recentlydescribed by the remains found here, for instance Undorosaurus (name derives from local village's name), Makhaira rossica, Luskhan etc. Paleontology sections of three regional museums (Ulyanovsk, Tatarstan and Samara, with some going to Moscow) feature impressive exhibits taken from here including compete or almost complete sea reptile skeletons. (You can see some of them here, here and here). Unfortunately there have been too many guys looking for fossils and fine pieces of local yellow calcite to sell, passing like a vacuum cleaner picking up everything valuable from early spring to late autumn. By the way, a nature reserve (zakaznik on a regional scale, which itself is pretty weak) was created here in 1980s right to counter this situation, but with lack of effort it turned into a joke. The local village museum was charged with enforcing the reserve status - let's assume its management did not have the funds or personnel to prevent anybody from picking up fossils (not to assume they were picking them up themselves alongside the poachers without reporting them to the public). Anyway as a law-abiding citizen, I was collecting outside the reserve's boundaries. Here the fossil-rich shore is marked in green, the reserve in red and 3 main fossil-related villages in blue. I used to spend vacations in a local sanatorium as a schoolboy and accumulated quite a collection of local thingies ( I sure was fascinated by my findings and paleontology in general). In April I decided to spend there a couple of days again. The receptionist asked if I had been there before. Only in childhood, I replied. She laughed - nothing had changed since then. Well, I hoped so:)
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In my last couple of collecting trips I have found some larger than normal vertebra from the Australian ichthyosaur platyptergius australis. What I am after is some literature that may enable me to calculate the length of an ichthyosaur based on the vertebra size. I realise that the approximate body position the vertebrae will need to be a major part of the calculation. Previously the larger vertebrae I found were around 80 mm diameter x 25 mm thick and quite often vertebrae from infants were also found with these so I had assumed fully grown. The last couple of vertebra have measured 120 mm diameter x 40 mm. This disparagement in size could be due to the younger / smaller females being more prone to dying during birth, they kept growing throughout there life or perhaps the alpha males were larger. Thanks in advance for all input Mike
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Not really sure Nodulised is even a word but I found it formed in a round nodule today, this is my first time cracking open one and finding a vert usually they have some part poking out. It was fresh from the cliff and had no indication on what was inside. A real nice surprise. Quite big and a nice split too. Comparison between a smaller recent vert.
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Hello, this is my first post Just wanted to share my most recent find from the Jurassic coast of Charmouth, Dorset UK. I found this pebble with what appeared to be bone, had it prepped and it has turned into an ichthyosaur paddle with ribs/gastralia and a couple ammonites! Best regards, Kam
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From the album: Holzmaden
A 1.6 cm long Ichthyosaur (perhaps Temnodontosaurus) tooth from the lower Jurassic from the quarry Kromer near Holzmaden (Germany). The prep work was kinda hard because the tooth broke into two pieces. Some more pictures: -
Thought you may be interested in this ichthyosaur vert i found. It’s the biggest one i’ve found. Really nice and chunky! Possibly from a Temnodontosaurus although they get even bigger from this species. This is from the Yorkshire coast. The vert compared to one of my other verts i thought was on the large side!
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Last Saturday I was in the quarry Kromer (Posidonia Shale, Lower Jurassic) for the first time of the year. Maybe some of you already noticed this topic: http://www.thefossilforum.com/index.php?/topic/93302-prepping-a-plate-with-some-ichthyosaur-vertebrae/ Beside of this plate I also found some other cool things but firstly here is a picture of the quarry: You are allowed to search in the heaps on the left behind the white car. The material isn't that bad at the moment. I was there about 6 hours and I found about 6 teeth. I already prepped three Stenosaurus (crocodile) teeth: 1 cm long: 1.8 cm long: (the best one) And 1.2 cm long: (damaged) I also found this fish: The cross section is about 5 cm long and it will need very much prep work... I don't think that I will do this one in the near future although a friend and expert said that this is a kinda nice find! My favourite finds were the bones. I found several incomplete ones which I didn't take home but also the plate with the vertebrae and another plate with some bones on it. Here is a picture of one of the visible bones: I think that should be an Ichthyosaur Humerus but I am not entire sure. I will post some more pictures of it tomorrow and after the prep. There are also a couple of ribs on the plate so it could be interesting! And for all the invertebrate fans. Here is a sweet little ammonite: Thanks for watching!!
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From the album: Holzmaden
A 2.5 cm long Ichthyosaur vertebra from the quarry Kromer near Holzmaden (Lower Jurassic, Posidonia Shale). Here is a picture of the unprepped cross section: It took about 3 hours to prep this one. Some more pictures: -
In this thread I wanna share some fossils from Holzmaden, which I found partly years ago but prepped recently with my new tools. I will not show only bones but also belemnites and other fossils from Holzmaden. All the finds are from the quarry Kromer. Hopefully I will be able to extend this thread step by step! So for today I want to show three bones from the posidionia shale from Holzmaden. Firstly this 3 cm long Ichthyosaur vertebra. Here is a picture of the unprepped piece: As you can see there was only the cross section visible so it was a kinda hard work. I think until now the prep took about 2 hours and I will probably prep it a bit more... but here is a picture of the current state of the vertebra: I am very satisfied with the result until now! Especially because I didn't lost too much of the fossil material in the areas where I had to glue it.
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I found these two rarther worn bones in the same spot afew weeks apart in Yorkshire. I’m thinking broken humerus and any suggestions on the other bone are welcome, guessing some other part of the paddle. Not sure if it looks right for the radius or ulna though. (humerus) bottom bit worn away and top where the other paddle hones go. Other bone of similar quality and condition.
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