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Dear Guys, Few months ago I found this specific skull part in Varena town, South Lithuania. It is 4 mm diameter and the central line is protuberant, I would think it is something like squamosal or quadrate, it was inside dolomite erratic boulder. Please help to know which part of skull is this and maybe which animal this bone could belong to. Best Regards Domas
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Chimaeroid tooth from Lithuanian erratic boulder with better picture quality
D.N.FossilmanLithuania posted a topic in Fossil ID
Dear Guys, I recently made better pictures of chimaeroid tooth fossil, I think this remain belongs to Psephodontidae family but maybe I am wrong so I need the professional ID. This chimaeroid shows the Late Paleozoic (Carboniferous or Permian) age of some lagoonal dolomite erratic boulders in Lithuanian territory but if someone knows the genus of this chimaeroid remain then I could know the precise age of the erratic (stage or epoch) and could use this find in my scientific articles to German magazine. The remain is 4-5 mm length so the tooth is small. Please help to know the taxonomy of this remain if someone works on Paleozoic sharks here. Any help will be very appreciated!
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Dear Guys, I recently found this thick perforated chimaeroid like fossil in lagoonal dolomite, it is 5 mm length. It is found in erratic boulder of Varena town, South Lithuania. The perforations in Tremataspis scales are the same thickness in all surface but my find has much thicker perforations by the one edge and I would think it is dental plate of chimaera. The fossil is thin but I saw the gastropod fauna in these dolomites and some species can speak about Carboniferous- Permian age although very similar dolomites in Northern Estonia are Silurian in age and they also have orthogastropod and bivalve fauna. Please let me know- is it osteostracan scale or is it chimaeroid tooth, and what species are the most possible then? Any help will be appreciated! Best Regards Domas
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- flat tooth
- lagoonal dolomite
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Dear Guys, Several years ago I found this piece of fin spine that is 3.5 mm width and by me it looks more similar to primitive shark like Onchus problematic fossils. Here is visible vertical groove texture and also oblique area of little oblong tubercles. The fossil is found in Late Silurian limestone erratic, the location was Varena town, South Lithuania. Please help me to know, is it more like acanthodian or Onchus chondrichthyan? Best Regards Domas
- 8 replies
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- fin spine fragment
- glacial erratic
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Dear Guys, I recently found one rectangular tooth plate or osteoderm like fossil with tenuous canals and even poorly visible rough pointy texture in one area, it is 5 mm length. From the first impression it looks more like osteichthyan tooth or tetrapod osteoderm, it is found in pink dolomite erratic. I had versions about stingray or Lagarodus chimaera earlier but shark teeth always have thicker ornamentation like thick canals, glossy porous dentine and many canals in root especially talking about chimaeras, the stingray tooth elements have parallel grooves and tuberculae that are very thick in appearance. I also saw some osteichthyan teeth- puffer fish dental elements are triangular in shape and only one tooth in Darwin county page from Jurassic was the same in shape (but not in surface texture!) and was named as "shellfish eating fish tooth" with no taxonomic determination. The tetrapods like reptiles also have some similar osteoderms- rauisuchians and other primitive archosaurs or maybe lizards but crocodile related osteoderms have the web of tuberculae with oblong and deep pits between it and lizard osteoderms in my opinion should not be so protuberant in the central area like my find. This fossil talking about shorter edges in the ends is low and it becomes tall in thickness in the center including the same central part of longer lateral boundaries. I told everything about the features of fossil I found, I actually do not know its age because it was found in small erratic boulder of dolomite. Dolomite in the prequarternary surface of Baltic States is usually Devonian, Permian or Triassic but I even have confirmation of polygonal lizard scutes in dolomite so the age would be known if I would find out which taxon this skeleton element belongs to. Pleasehelp me to know about the taxon of this remain and also- tooth or osteoderm it is? Any help will be very appreciated! Best Regards Domas
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Dear Guys, I found this 2 mm length lizard osteoderm in small dolomite erratic about 1 year ago in Varena town, South Lithuania. It has some rounded tubercles, by me seems quite similar to helodermatid. I think the age is probably Cretaceous or Paleogene. Please help to identify family by its shape and ornamentation. Any help will be appreciated! Best Regards Domas
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Dear Guys, Today found one erratic in gravel and when I splited it I found this leaf like imprint. It is 3 cm length. By the shape I would say it is from big clubmoss but I very need more opinions, maybe it is possible to identify genus or family? Any help will be appreciated! Best Regards Domas
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Skull fragment with tusk like cavity- the second elephantid?
D.N.FossilmanLithuania posted a topic in Fossil ID
Dear Guys, Today I found one very interesting piece of skull, as I remember I have showed you one non- mammoth elephant skull fragment that was between 1,5 and 3,2 cm thickness. Today's fossil is very similar fragment, also with brain surface but it has one cavity that reminds me of tusk place. This skull fragment also have some cavities but very few, and it is little thinner (between 0,9 cm and 2,3 cm thickness (it is thicker in the place of possible tusk). I would think it is also from rare elephantid or maybe hippo (because it is thinner)? Please help with ID of this piece, it can be scientifically important. Any help will be appreciated! Best Regards Domas
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Dear Guys, Yesterday I found the small but very thick skull bone fraction with brain imprint preserved, it is between 1,5 and 3,2 cm thick and 6 cm length. I have seen the central line in frontal bone that is visible in mammal skull but my find has quite massive ridge near central head line that is visible in the side of fragment. I would think it can belong to mammoth but I am not completely sure. Judging by small anatomy and thickness of bone, what it might be? Best Regards Domas
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Dear Guys, Today I found the lower articular piece of big femur, the length of articular end surface is 13 cm. It is very similar to bison but judging by size I think it could belong to hippopotamus. I also checked wooly rhino but there are some differences in the articular surface. Any idea what it might be? Best Regards Domas
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Dear Guys, I recently found the triangle bone in dolomite erratic of Varena town, South Lithuania, it is 4 mm length. It has the wider growths in the lower sides and straight blunt bony growth in the top. The dolomite also has poorly visible calcified lenses (maybe oncolites?). The erratic is typical to Triassic arid conditions and should belong to Late Triassic epoch because frogs from Early Triassic are found only in Madagascar island. Here is the link in frog omosternum: http://scienceblogs.com/tetrapodzoology/2010/08/27/blombergs-toad-and-buddies/
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Dear Guys, I found this 17 cm length bone fragment in the sand dune layers of Varena town, there was the building site where the sand was deeply mixed up with younger layers. Judging by the shape, I think the most correct version should be bear (the tibial plateau is separated and not found). The last brown bear (Ursus arctos) in Lithuanian territory was hunted in 1885 but the tibia is quite big and maybe there are more features that could differ from present bear that is known is the European and Russian forests. Please help to confirm Ursidae family by this bone and if you are able, identify the species by size or other features. Any help will be appreciated! Best Regards Domas
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Dear Guys, I have found this bone fragment about 6 months ago and I am not sure which family of mammal it belongs to. It is the lower end of radius, to me looks like similar to carnivorous cat but I am not sure if it cannot be an ungulate. The length of piece is 9 cm. Please help to identify this bone. Any help will be appreciated! Best Regards Domas
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Three unidentified tiny bones from Lithuania
D.N.FossilmanLithuania posted a topic in General Fossil Discussion
Dear Guys, Today I prepped out the scraps of two bones in flint and also have another completely preserved. The first bone cavity in the picture belongs to frog clavicle and coracoid block in my opinion, the second cavity is scapula like and the third bone is scapula like complete fossil example. The scapula like bones are very tiny- they are only 3 mm length, the coracoid/clavicle block is 4,5 mm length. The remains are found several years ago in Varena town and Barciai village (varena district), South Lithuania, the Baltic States. Please help to confirm or identify frog bone block and especially help with ID of scapula like remains. I can tell that there are not visible joints in scapula like bones and the both specimens are from different sides. Any ideas? Best Regards Domas
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Pterosaur or Enantiornithine coracoids?
D.N.FossilmanLithuania posted a topic in General Fossil Discussion
Dear Guys, I have found three coracoid bones in flintstone that are about 0,5 cm length and made the cavities of them by needle. There are two versions about these fossil ID in my opinion- enantiornithine bird or pterosaur (pterosaur is more possible because the lower wider part of bones is not very wide as in almost all birds and the pterosaur, e.g. ornithocheiridae coracoid shape is very similar!). If these are pterosaur coracoid bones they should belong to small species (maybe rhamphorhynchoids), if small bird bones- they should be very primitive, probably early Cretaceous and I do not know any birds with this shape except Enantiophoenix (Enantiophoenix coracoid is even little wider and the bone cavity is very small, not so big as in my specimens). Please help to identify these remains by the coracoid form in pterosaurs, primitive birds or even tiny dinosaurs. Any help will be appreciated! Best Regards Domas
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Remains of sternum zone from lizards and frogs- please help to confirm
D.N.FossilmanLithuania posted a topic in Fossil ID
Dear Guys, Few days ago I found these three small bones in flint, they look like from sternum zone of small tetrapods. The triangle- like bone with three sharp growths looks like interclavicle (I would think it is from lizard), short bone with central hole looks like manubrium (the bone part near sternum common in amniotes) and the bone with two sharp gwoths below and blunt end in the top to me looks like frog omosternum. The fossils are found in flintstone erratics of Varena town, South Lithuania (the age is at most from Late Jurassic to Paleocene and the most common is Late Cretaceous). Here is the link to frog omosternum: http://schools-demo.clipart.com/search/close-up?oid=249075&q=sternum&s=1&a=c The link to lizard interclavicle: http://www.anoleannals.org/2015/01/15/geometric-morphometric-analysis-of-the-bsa-of-jamaican-anoles/ Second link to it: http://www.biologydiscussion.com/zoology/reptiles/reptiles-origin-history-and-classification/41033 (see fig. 8.57) https://pterosaurheresies.wordpress.com/2012/11/26/the-many-and-varied-origins-of-the-sternae-plural-of-sternum/ (see Saurosternon) And the picture of mammal? manubrium: Please help to confirm these fossils, they are important for my further research. Best Regards Domas
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Dear Guys, I recently found two small scapula- like bones in flintstone erratics of Varena town, South Lithuania that are dated by Late Cretaceous- Paleocene age, the both are the same in shape and features so I think they are from the same narrow taxon but it is difficult to me to identify. Please ehlp with ID. Best Regards Domas
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Dear Guys, I recently collected three examples of interesting small bones that have the cavities in the same area, I found them in flint erratics of South Lithuania. One scientist (Jens Koppka) told be that one time the occasional bird bone in flint was found by his colleagues in Lithuania. I recenly found the link with very similar shape of bone known as Enantiophoenix in the middle picture of one publication that I share with you now : https://peerj.com/articles/1032/ Open this link and look for "Comparison of scapulocoracoid between the dromaeosaurid Balaur and other paravians", the cavity in the second scapulocoracoid picture is named as "snf". Please look at my fossil pictures and this link and help with confirmation if you could. Best Regards Domas
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Please help with ID of fish scale and tetrapod bone
D.N.FossilmanLithuania posted a topic in Fossil ID
Dear Guys, Today I found one interesting fish scale that is 3 mm length and small tetrapod bone (3,5 mm length in flintstone erratic. I think the fish scale is quite specific to assign it to one taxon but I have doubt if the bone is from shoulder or maybe pelvic girdle? Please comment if you can, any help will be appreciated! Best Regards Domas
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Dear Guys, Today I found very interesting and also simply looking tusk fragment in Varena town (South Lithuania) near my home. Its length is 8,3 cm and it has thick bone layer in the both ends. It is almost straight and by appearance of piece I see that it was long and sharp. The age of fossil is Late Pleistocene, the last glaciation times. Any idea what is this? Best Regards Domas
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Dear Guys, Yesterday I found quite an interesting fossil of horse, it is the lower mandible with three preserved teeth and its length is 19 cm. The measures of three teeth from left to right of the photos are: 1- 2,9 cm width, 2- 2,6 cm width, 3- 2,5 cm width. The fossil found in the forest where sandy Pleistocene layers are near surface, it is found in that layers. I think the genus of fossil is Equus but what about species? Is it only Equus sp. or E. hemionus, E. caballus, E. ferus ferus, other? I noticed that each specie has little or more different location of enamel layers, maybe it could be easier to identify by them? It is found near Varena town, south Lithuania (Baltic States, Eastern Europe). Any idea would be very helpful. Best Regards Domas
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