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Showing results for tags 'phylloceras'.
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Psittacosaur9's Cabinet Renovation Fossil Identification - Mesozoic and Cenozoic Animals Thread
Psittacosaur9 posted a topic in Fossil ID
Hello everyone, and I hope you've all had a good day. I started to put my display cabinet together today, and after an exhausting day of work, I'm only half done and I haven't even started on the bookshelf! Yay! Sarcasm aside, I've got some more fossils I would like identified, as I am creating labels for my displays. Just as before, I would prefer the most specific identification possible - species would be preferable, but I would rather a genus or clade name over an invalid species name. Location would be helpful too. Again, if any of you want them, I can take more photos tomorrow. Specimen 1: Actinopterygii This specimen I purchased at a museum, which simply labelled it as 'fish fossil'. While I do not know the location, I suspected it was from the Green River Formation in Wyoming, as many commercially available Actinopterygii fossils come from that site. At first, I thought the specimen was Knightia, as that fish seems to be one of the more common from the Green River Formation, and the only common one of the same size and rough shape. However, after recently observing a slab of Knightia at a museum, I began to doubt my initial identification, as the Knightia in the museum looked more bloated than my specimen. Is it a Knightia, or something else? Specimen 2: Ammonite I apologise for the rather shoddy attempt at editing out the supplier's logo. As you can see, I purchased this ammonite in a small plastic case at a museum, and cannot take a photograph of it from all angles. However, the back of the box (or at least what survives of it) says that the ammonite is Jurassic of age and comes from Madagascar (thinking about it, the supplier probably had to stick the ammonite to the case in order to get it through customs). Therefore, after comparing it to other ammonites from the same location, I believe it is most likely a Phylloceras specimen, as those ammonites lived in the correct place at the correct time, and had the same shaped, relatively smooth shell. Do you all agree with this conclusion? Specimen 3: Gastropod Another specimen I purchased from a museum with no knowledge of its original location or age. Unfortunately, I know very little about Gastropods, so I do not know how to identify it. Do any of you recognise at least what group it came from, or even tell its species, time period or location? Specimen 4: Ray tooth I received this tooth as a gift in a set of various teeth from Chondrichthyes. The gift set identified the ray tooth as Jurassic in age, however gave no further information on the specimen. To add to the confusion, all of the fossil ray teeth I have found available to purchase online come from Myliobatis, a genus which only evolved in the Cenozoic. While I am pretty sure it is Myliobatis and the gift set's information was simply inaccurate, I would like confirmation that this conclusion is accurate. Also, I do know that there is only half of a tooth; it broke a while ago and I no longer have the second half. Thank you for all of your help! Next up will be a couple of Triassic plant fossils, and following that will be some fossils I am concerned are fake. Hope you all have a good night!- 21 replies
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Hi guys. It's been a while as always when it comes to posting on here. Plenty of reason, too long to go into. I hope everybody is doing as well as they can be during this pandemic. Now onto the good stuff. A while back, I posted my phylloceras in a sorry state of affairs, sections missing everywhere, cracks everywhere. Basically it didn't look fantastic. You'll be able to find it somewhere on here from previous posts. Well, lockdown happened here in the uk, which means there was only one thing to do during this time, and that was to get to work in the workshop and finish a lot of stuff. This was was number one priority as I had been putting it off for so long. And here it is All the cracks we're filled in and painted up, there is a small section on the bottom that has been done and finished since I took this photo. There was a section of the outer whorl that had blown out and was none existent, and replaced by shale, probably some form of gas build up happened inside it and blew it out and destroying it. I then had to make a choice of rebuilding it, or figuring something else out. I decided to go against rebuilding, due to lack of experience and the fact it was such a large section, it probably wouldn't have looked quite right. Luckily, I have plenty of dactylioceras specimens of all shapes and sizes, and decided to filll the section with these, you do find these ammonites washed into the mouth borders of pyllos, so iv stuck with what would be there. I don't even know how many hours went into this any more, but it was a lot, and its definitely something that has forced me to improve as a preperator. I'm currently building a metal stand for it, as it weighs a fair amount and no plastic stand will hold it. It now finally sits proudly in my collection and probably always will I hope you all enjoy my work, and i'll be posting more regularly from now on due to a second lockdown in the uk. I actually have a rather large crocodile block i'm working on currently, including a rostrum, vertebrae ribs, teeth etc, theres a lot going on and it'll probably take a long time to complete due to the size and the fact that the majority of the work will involve using acid to remove everythign, either way, it'll certainly be a stunning piece once complete. Oh, and a rather large icthyosaur block measuring over two foot. (yes i have my work cut out for me haha) Thanks. Dan
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Once again I slack in posting things on here. last week I decided to dig out a very large ammonite I found last year. It’s a Phylloceras Heterophyllum. Quite rare around here, and to get one as big as this is, is even rarer. It weighed an absolute tonne but worth it. All the prep work is done, all that’s left now is to rebuild some small sections and cracks. It’ll be a stunning piece once’s finished.
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From the album: Cephalopods Worldwide
2.5cm Hettangian Early Jurassic Site: Loferer Alm, Saalachtal, Salzburgerland, Austria-
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Hi guys, last week I was on holiday in Austria and had the chance to hunt at the area of Adnet. There you can find fossils in the red "Adneter Schichten" which are lower jurassic deposits. I was there twice for about 4 hours at all and I found some cool stuff! At my first visit I found plenty of ammonites, one nautilus and some bivalves. It was a very rainy day. Here is a picture of the site: And this is the only ammonite I could prepped until now: Its a 5 cm long Phylloceras. A kinda common species there. The prep work is really difficult, because there is no really separation layer between stone and fossil. I didnt prepped the nautilus until now so I can you show a picture of the unprepped example: On my second visit the weather was very good (maybe even too hot ). Because of that and because of the enormous luck I had I found some shark teeth I didnt really expect to find one although I had already saw some teeth from there on the internet. But I didnt found one I found many Here are the 4 nicest ones until now: The first one is very fragile and 1 cm long: The second shark tooth is about 2 cm long and I like the combination with a crinoid stem: Then this one is about 1.2 cm long and seems to be only a fragment. But I still like it And last but not least the find of the day: A 2.6 cm long shark tooth!! I will try to take better pictures of last and biggest shark tooth after cutting the stone a bit smaller. At the moment the tooth is on a huge stone! The prep work on the shark teeth was also very hard because the teeth are very fragile and the stone is very hard. I prepped it with different needles and with my air scribe I am very pleased with those finds I assume that all shark teeth are Sphenodus shark teeth. Thanks for watching! Hope you enjoyed
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This is a 23cm Phylloceras ammonite whose shelled has been removed to reveal the intricate suture pattern beneath. The stand is custom made out of steel(very heavy), then powder-coated with hammertone silver paint. Early Jurassic–Late Cretaceous Age range: 235.0 to 66.043 Ma Tulear in southern Madagascar
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Pyritized phragmocone
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