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Showing results for tags 'eocene'.
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From the album: Fossil Crabs
An old picture, but a very cool picture. Crab Town!!! -
I've been collecting for a few years, and other than the ubiquitous Metasequoia Occidentalis, don't know a lot about what I've been picking up. Apologies for off-center photos. Top right is a nicely detailed, strangely pale leaf fragment. The bottom left comptonia-like specimen is relatively common at this site. The one on the bottom right I am very curious about. I assume the bottom left is some kind of conifer seed pod. I've not found any cones here.
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From the album: Fossil Flourescence
Turritella plebia Miocene Choptank Formation St. Leonard, Maryland Viewed under short-wave Ultraviolet light -
From the album: Fossil Flourescence
Scaphella sp. Pliocene/Pleistocene Florida Viewed under short-wave ultraviolet light -
From the album: Fossil Flourescence
Arcinella cornuta Pliocene/Pleistocene Florida Viewed under short-wave ultraviolet light -
From the album: Fossil Flourescence
Architectonica sp Pliocene/Pleistocene Florida Viewed under short-wave ultraviolet light -
Not sure when I found these, but my wife today wanted to clean out a shed that I didnt know I had fossils in? Anyways, these have been sittin in the shed since we moved here to Montana. 11 years. So I did a bit of prep on two of them. Came out purty dang nice. One is a kind of Willow and the other I have no idea, but it was nice to find a stem and a tip! These are from Colorado and are Eocene in age. Ive still got to cut off about 50 freakin pounds of rock to square them up, but my tile saw isnt workiing at the moment. RB
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Taxonomy from Bannikov & Carnevale, 2017. Bannikov & Carnevale 2017, p. 319:" Its type species, †P. lessinii Blot, 1980, was described based on a single partially complete specimen in the collections of the Museo Civico di Storia Naturale, Verona (Blot, 1980, p. 365; pl. VI, fig. 3). Subsequently, an additional incomplete specimen housed in the Carnegie Museum of Natural History, Pittsburgh, was referred to †P. lessinii and figured by Frickhinger, 1991, p. 769); however, this specimen lacks the characteristic cranial horn emerging just above the orbit considered diagnostic by Blot (1980)." Photo of the holotype of Prosolenostomus lessinii in Bannikoy & Carnevale 2017, p. 320: This here is the third known specimen of Prosolenostomus. Like the specimen from the Carnegie Museum of Natural History, Pittsburgh, illustrated by Frickhinger 1991, p. 769, this Prosolenostomus has no cranial horn, and is therefore a new, as yet undescribed species. A. Bannikov wrote (personal communication, 13.12.2021) " the "cranial horn" is not a conservation artifact, but a genuine diagnostic feature. Therefore your specimen belongs to the till undescribed taxon. Overall, pipefishes are very rare in Monte Bolca." Diagnosis for the genus Prosolenostomus from Blot, 1980, p. 365 (translated from French by oilshale); "Very elongated body. Cuirass constituted by cruciform scutes, imbricated the ones in the others, delimiting more or less abundantly reticulated beaches. Very large branchial opening. Short head with very high rostral tube and terminal mouth; very strong mandibles. A rather high horn rises above the orbit. " Identified as cf. Prosolenostomus sp. by A. Bannikov (Borisyak Paleontological Institute, Russian Academy of Sciences). References: Blot J., (1980) La faune ichthyologique des gisements du Monte Bolca (province de Verone, Italie) : catalogue systematique presentant l´etat actuel des recherches concernant cette faune. Bulletin du Muséum national d´histoire naturelle. Section C, sciences de la terre, paléontologie, géologie, minéralogie, 4. serie, 2(4): 339-396. Frickhinger, K.-A (1991) Fossilien Atlas - Fische. Melle Mergus, ISBN 10: 388244018XISBN 13: 9783882440188 Alexandre F. BANNIKOV & Giorgio CARNEVALE (2017) Eocene ghost pipefishes (Teleostei, Solenostomidae) from Monte Bolca, Italy. Bollettino della Società Paleontologica Italiana, 56 (3), 2017, 319-331. Modena.
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From the album: Fossil Crabs
A very nice Orbitoplax weaveri from the state of Oregon. Eocene in age. -
From the album: Fossil Crabs
Both of these are Pulaius vulgaris from the state of Washington, Eocene in age. -
References: L. Agassiz (1833) Recherches Sur Les Poissons Fossiles. Tome IV (livr. 1). Imprimerie de Petitpierre, Neuchatel 17-32. G. Carnevale, A. F. Bannikov, G. Marramá, J. C. Tyler, and R. Zorzin (2014) The Pesciara-Monte Postale Fossil-Lagerstätte: 2. Fishes and other vertebrates. Rendiconti della Società Paleontologica Italiana 4:37-63. A. F. Bannikov (2014) The systematic composition of the Eocene actinopterygian fish fauna from Monte Bolca, northern Italy, as known to date. Studi e ricerche sui giacimenti terziari di Bolca, XV - Miscellanea paleontologica 12:23-34.
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Young Thuja Cone Inclusion From Baltic Amber ( Eocene Era )
vermiculosis posted a topic in Micro-paleontology
Dear Friends, This time i'd like to show amazing Thuja Cone Inclusion from Baltic Amber. Cupressaceae Family Amazing Preservation after more than 40 million years. Amber weight - 2.8 gram Amber size - 3.3 cm / 3 cm / 0.5 cm Inclusion ~ 0.35 cm More soon Cheers, Artur
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From the album: Fossildude's Purchased/Gift Fossils
Amphiplaga brachyptera - misidentified by seller as a Knightia eocaena. Eocene fish, Green River Formation Fossil Lake Wyoming© 2017 Tim Jones
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- amphiplaga brachyptera
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I have found a couple of partial jawbones and have tried my best to do all the research to help me identify them. Here is what I know about the area and what has been found: San Jose Formation (Eocene) — San Juan Basin Closest documented fossil sites (within a mile) Pelycodus, Squamata-Paraglyptosaurus. Squamata-Saniwa My father remembers when he was a child (about 70 years ago) a museum or university excavating a three-toed horse skeleton less than half a mile away. I’ve never known him to be wrong when it comes to local history. General area fossil sites (within 50 miles) Cantius,Chriacus,Diacodexis,Diacodon,Didelphodus,Didelphodus,Hyracotherium,Leptacodon,Macrocranion,Miacis,Omomys,Paramys,Peradectes,Phenacolemur,Prodiacodon,Prototomus,Scenopagus,Thryptacodon,Viverravus;Reptiles-crocodile bones and teeth There may not be enough of the fossils to identify, but I would appreciate any feedback.
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Im sure Ive shown this one before, but it was a long time ago. The funny thing is, when I first brought this little slab of rock to my prep bench, I automatically figured it was a Knightia! ha!! I always start on the head when I start prepping a fish and it didnt take long to realize that this was a Phareodus. What a super nice surprize that was! Came out quite nice but it does have a fin problem on the top side. Still, quite a nice little fish of 6 and 1/2 inches! Its now in the display case. Woooooooop!!! Wooooop!! With enough time this little case will be full? RB
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Here is a rather large fish ive been working on for the last 15 years!!! Bout time I finish it up so I can hang it onto the wall. Ive still got to sand some edges so it will fit into the frame Ive already built for it. Then put a 1/2 inch ply backing on it and then,,,,,,, by gooly,,,, it will be ready to hang. I found some old wood on a very delapitated building along side the road one day, so its like that barnwood that everyone likes. plus it looks old too. The fish it old, so why not the wood too. I should have this done in a few days. Woooooop,,,Wooooop!!! I actually prepped this out 11 years ago and its been sittin in a dark shed ever since. Gots the fish, the frame and the ply already to go. Just gunna take a bit of tiime, and the help of my youngest son to help hang it. its quite heavy!!! RB
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Three summers ago myself and my two younger sons were digging in the bottom cap just below the 18 inch layer. We found dozens and dozens of fish! My middle son brought some pieces to camp for me too look at. We camp right there in the quarry. At first look I was not too impressed, but put all the pieces into a box to take home and look at later. I can now see that it may be a really good Phareodus? I cut off a couple of pieces to make it easier to glue onto a piece of cement board and then begin prep. there will be some areas of rock building and one area of rebuilding some actual fish that is missing. But over all its looks purty dang good. The rock is very dense and very hard and the bone is very hard too. I can use a half bi-carb and half dolomite mix media to finish it up after all the air scribing first. My fingers are crossed. If I can get this done, it will go to my middle son for Christmas. Wooooop wooooop!!! RB
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Prof. WALTER G. JOYCE, Department of Geosciences, University of Fribourg has been kind enough to try to narrow down the species: "Of the four species that are known from the Lower Eocene of Wyoming, I can rule out one right away (Palatobaena gaffneyi), but the remaining three species (Chisternon undatum, Baena arenosa, and "Baena" affinis) are impossible to distinguish fresh from the egg because the shell has not yet formed. True, Chisternon undatum has been described from the Green River Formation, but I think there is no reason to exclude the other two species, especially since only one individual has ever been scientifically described from that formation. Thus, your turtle is probably only to be referred to as Baenidae indet."
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- baenidae
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Rhyncholampas carolinensis are not an uncommon find in the Castle Hayne Formation of North Carolina. However, they are often badly worn, broken or heavily encrusted with limestone. This little beauty is about average size and very clean. It also has a bonus "hitchhiker" a Polychaete worm. This worm is often referred to as Polychaete species 00. Referencers: Kier, P.M. (1980) The Echinoids of the Middle Eocene Warely Hill Formation, Santee Limestone and Castle Hayne Limestone of North and South Carolina. Smithsonian Contributions to Paleobiology: Number 39. Pg. 33-34 plates 9 figures 9-12 and 10 figures 1-4
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From the album: @Max-fossils 's Zandmotor Finds
My first shark tooth found on the Zandmotor, from the Eocene. Unfortunately, it's too worn to give it a species name. -
Old name: Naseus rectifrons Agassiz, 1842 Taxonomy from Fossilworks.com. References: Agassiz, L. (1842) Recherches Sur Les Poissons Fossiles. Tome IV (livr. 14). Imprimerie de Petitpierre, Neuchâtel 205-291. Blot, J. and Tyler, J. C. (1990) New genera and species of fossil surgeon fishes and their relatives (Acanturoidei, Teleostei) from the Eocene of Monte Bolca, Italy, with application of the Blot formula to both fossil and recent forms. Studi e ricerche sui giacimenti terziari di Bolca 6:13-92. Carnevale, G., Bannikov, A. F., Marramá, G., Tyler, J. C. and Zorzin, R. (2014) The Pesciara-Monte Postale Fossil-Lagerstätte: 2. Fishes and other vertebrates. Rendiconti della Società Paleontologica Italiana 4:37-63. Bellwood D.R. (1996) The Eocene fishes of Monte Bolca: the earliest coral reef fish assemblage. Coral Reefs 15: 11-19.
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Hi all, Yesterday, on a fun day at the Zandmotor, I found my very first shark tooth Shark teeth at the Zandmotor are kinda rare, so for me this is an exciting find. Maybe it's small, worn and has some feeding damage, but I'm still proud of it. Anyways, I would love to put a name on this one. So: it comes from the Zandmotor, Netherlands, and is from the Eocene. I'm thinking Striatolamia macrota for the moment, as I can see the small remains of a worn out cusp (4th photo). The 5th and 6th photo are extracts of a small fossil guide I have, called Zeeuwse strandfossielen , written by Harry Raad en the Zeeuws Genootschap. It's in Dutch, but if you want to translate the content you can use Google Translate. Most of the info seems to match; apart from the size. What do you think? Am I correct, am I wrong, or is this tooth too worn to be IDd? Thanks, Max
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Hi, Sorry I haven't been that active on here recently for the last few weeks, I've been incredibly busy. I've made a few trips to Hamstead over the past few weeks (I'll post some of the highlights later) and have just got back from a very wet and windy trip today, which as usual did not disappoint. The most interesting find of the day, along with a snake vertebra and an anthracothere premolar, was this fairly intact vertebra. My initial thoughts were perhaps crocodilian or mammalian but it looks very different from any Diplocynodon vertebra I've ever found, and I can't find a match to any mammals. The spinous process is nearly intact and it has a very narrow neural canal. Any help would be appreciated. Thanks, Theo
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From the album: Some of my best Sheppey fossils
This is a lovely little tooth found in very good condition. Most teeth of this kind are found with badly damaged roots but this one has survived the rigours of time. -
From the album: Some of my best Sheppey fossils
This is a beautiful little crab, unfortunately it is encased in a very hard nodule making any further prep very difficult.
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