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Showing results for tags 'pennsylvania'.
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From the album: Mahantango Formation
Enrolled Dipleura dekayi Schuylkill County, Pennsylvania- 1 comment
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Baffled.... Carboniferous Pottsville Sandstone, Blair County, Pennsylvania (USA)
SteveE posted a topic in Fossil ID
EDIT - Mistaken title. This from the underlying formation, the Mississippian Maunch Chunk. (oopsie daisie) This doesn't match the area's semi-abundant Lepidodendron or Sigillaria or their roots (Stigmaria)... and it doesn't look like Cordaites or Calamites and I'm at a loss to ID the rectangular pattern here. Help, anyone? (Note two fingers of my leather glove on left for scale)- 15 replies
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From the album: Mahantango Formation
Crinoid Calyx Schuylkill County, Pennsylvania- 2 comments
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I saw a post on facebook that someone was looking to get rid of some fossils they had collected locally so I arranged to meet up this afternoon. Most of what was being offered were carboniferous fossil ferns from St Clair and they had some beautiful examples from the site that has been closed to collecting for several years now.
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Hello! I have this iridescent Petalodus tooth that I would like to preserve. Firstly, it has a severe crack though the matrix (see pictures). Secondly, is there anything that I should do with the tooth itself? What are my options? I appreciate your help.
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Hello, I found what looks like a worm on a block of limestone too large for me to split. So I took a picture of it. It is about 4 cm. The limestone is Carboniferous, Pennsylvanian and from the Glenshaw Formation. Thanks for the help!
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Microbial, Trace, or Tectonic shock? Web pattern on Silurian sandstone
SteveE posted a topic in Fossil ID
EDIT... never mind I found it... "Kinneyia" and this was the paper. Thanks Folks! original post below.... Blair County, Pennsylvania, USA Hi folks, long time no see. I think the sandstone is from the top of the Keefer subunit at the top of the Clinton Group. Under someone else's post a few years ago, I recall someone giving this pattern's name, and also a discussion whether current thinking is that it is microbial/algal or trace or records a seismic shock. I can't find any of that anymore, and I just can't remember.. Can any of you remind me what this pattern is called? Extra points if you might still have link(s) to papers mentioned in the earlier discussion. Thanks~ PS samples are different rocks, and are both from (or in) the float. The patterned surface is the bedding plane- 3 replies
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Hello everyone, I'm quite new here but it was recommended I come to this site from another site. I've never fossil hunted before, but I know a fair amount about paleontology due to a personal interest in the topic. I would like to learn fossil hunting, but with a group of people who are knowledgeable about the matter. I'm wondering if anyone knows of groups that do fossil hunting in the New York or Philadelphia area?
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From the album: Mahantango Formation
Greenops boothi Schuylkill County, Pennsylvania-
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- impression fossil
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- creekbed find
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From the album: Mahantango Formation
Eldredgeops rana Perry County, Pennsylvania- 1 comment
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My wife and I went on a fossil hunting trip yesterday to check out a Triassic spot, New Oxford formation, in northeastern York county, Pennsylvania. It took us a bit to find the spot but once we did, we made a couple nice finds. The first rock is about 30 cm long, about 23 cm wide, and about 15 cm thick. It weighs almost 13 kilograms (about 28 pounds). While I'm not absolutely certain, I think this piece has several tree branches running through it. Branch #1, about 23 cm long and about 3 cm wide Branch #2, about 24 cm long and about 2 cm wide Underneath of branch #2, were several black pieces. I'm guessing they're carbonized pieces of the wood? Branch #3 about 12 cm long and about 3-4 cm wide. Branch #4 (ok maybe this one is more like a twig!) 6 cm long and about 1 cm wide The second rock is about 23 cm long, about 13 cm wide, and about 7 cm thick. It weighs almost 3 kilograms (about 6 pounds). This rock only has one plant fossil that I could see. It is about 8.5 cm long and 1.5 cm across. You can see what appears to be a cast of the branch with an imprint on the side going up from the cast. These last two pieces I'm unsure of whether they are plant fossils or just some interesting geologic somethings. This is mystery piece #1 This is mystery piece #2 This was our first Triassic spot! We were excited to make these finds. After hitting our fair share of Devonian and some Carboniferous spots it was nice to find a different time period and new, to us, fossils! Hopefully, I've correctly identified these finds as plant fossils! If anyone could recommend a resource to help us identify Triassic plants that would be very helpful!
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Hi Everybody! I'm trying to hunt down some sites for fern fossils in Northeast Pennsylvania. I have zoned in on Lackawanna county & small areas around Carbondale. I have found a shale pit area that I am unsure if it is public or private property. I'm having a very difficult time discerning whether or not the land is public or private. Any tips or suggestions on where to look? Has anyone had success with public hunting in the area?
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Found this a couple years ago near Deer Lake, PA. The site is a Devonian aged Mahantango formation location. I split the rock and this was inside. The left and right halves fit together. The specimen is about 5 cm from top to bottom and about 2 cm across. The dimpling pattern is what intrigues me the most. Could it be a type of sponge?
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Hello! My name is Doug and I'm from South Central Pennsylvania. I'm just about to turn 29 and am really finding out what is important to me in life. I am an aspiring hobby paleontologist! I spend way too many hours researching and digesting fossil related content then I'd care to admit, but I'm sure that's why were all here! I'm often joined by my girlfriend Lauren who shares the same love for treasure and exploration. We just got back from our first ever day trip to Big Brook Preserve in New Jersey for some Cretaceous hunting goodness. See the attachments for the good stuff! The trip maker for me was a shark tooth still preserved in the matrix and an unidentified bone (going to make an ID post! Or if anyone knows please let me know in here or private message (: ). Found my first shark vert as well! My professional career is a Senior GIS Analyst (Geographic Information Systems). Basically, I make computer maps and analyze data. Recently i realized that i could combine my love for both and create some very cool resources to track my history and findings. I use this knowledge and software to log all of my findings, hunting sites, and research. Besides Fossil hunting and GIS, i am also a professional cosplayer. I have a wide variety of interests it seems! I am ecstatic to be a part of such a cool and knowledgeable community. I can't wait to hear from ya'll and learn as much as i can! - Doug filtered-60BE94DC-70F9-4A90-8A40-27EF3E96E049.MP4
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Gyracanthus is a cartilagenous gnathostome possibly a stem or sister clade to the Chondrichthyans. Most common fossils found are the fin spines but scapulocoracoids are not uncommon. Fossils here are result of collecting over 8 years from 2013. diagnosis.—Medium-sized gyracanthid fish, maximum estimated body length approximately 1 meter. Maximum fin spine length estimated 375 mm. Ridge width constant at maturity, ridge width constant along insertion-exsertion boundary at maturity, interridge width equal to or less than ridge width. Cristate tubercles ≤2 mm height, ≤2mm width, 9-11/cm proximally on pectoral fin spines, 8/ cm proximally on pelvic fin spines, 15/cm proximally on dorsal fin spines where preserved. Major and minor axes on tubercle, apex oriented oblique to underlying ridge. Pectoral fin spine inserted approximately one-third the length of the fin spine, ridge width constant along insertion-exsertion boundary at maturity, maximum fin spine ridge chevron angle along leading edge 90°, ornamented ridge dorsal to posteromedial groove. Two types of pelvic fin spines, one narrower with extensive exserted area, one wider and more robust with extensive inserted area, both with inserted area extending greater than half the length of the spine. Pelvic fin spine ridges curved retrorse towards midline. Median fin spines approximately symmetrical, comparable to paired fin spines but smaller and straighter distinct anterior and posterior dorsal fin spines. Prepectoral ventral plate with more than 30 tubercle rows, largely subparallel, some bifurcating, curving to the middle only at the extrema, convergent towards the lateral edge; prepectoral ventral plate inserted area at least a third of the width of the plate.
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All material was found in a lag deposit layer on SW side of highway Rt120. SYSTEMATIC PALEONTOLOGY SARCOPTERYGII Romer, 1955 TETRAPODOMORPHA Ahlberg, 1991 MEGALICHTHYIDAE Hay, 1902 Diagnosis—Osteolepiform distinguished by a cosmine cover to dermal bones in combination with a premaxillary tusk that interrupts or lies lingual to the premaxillary marginal tooth row, contact between the subopercular and the second submandibular bones, and a distinct rostral process of the supratemporal that is without cosmine cover (Borgen and Nakrem, 2016). Diagnosis—A species of Megalichthys that is distinguished from previously described species by the presence of a pineal series of bones, the presence of a triangular principal gular, and the lack of sensory canal pores on the postparietal.
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From the album: Devonian, Catskill Fm., Pennsylvania USA
Lobe-finned fish scale-
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From the album: Devonian, Catskill Fm., Pennsylvania USA
Lobe-finned fish scale-
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From the album: Devonian, Catskill Fm., Pennsylvania USA
Lobe-finned fish tooth-
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From the album: Devonian, Catskill Fm., Pennsylvania USA
Turrisaspis elektor trunk fragment-
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From the album: Devonian, Catskill Fm., Pennsylvania USA
Predatory lobe-finned fish scale-
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Hello, everyone! I recently collected at a site in Warren County, at an exposure of Venango Formation (L. Devonian, ~363 ma) Riceville Formation (L. Dev. ~359 ma) Shenango Formation (E. Mississippian, ~357 ma) and potentially Chadakoin Formation (L. Dev. 365 ma). The Venango and the Chadakoin are hard to differentiate in that area. I found plants from the Shenango and numerous brachiopods, a bivalve, and worm traces from the Venango and possibly the Chadakoin. Here's another mystery. In observing the fossil, it seems like a xiphosuran, perhaps Patesia randalli (Bicknell and Smith, 2021), which is recorded from both the Venango and Chadakoin. Patesia was formerly referred to as "Kasibelinurus" randalli and "Bellinurus" alleganyensis. But any information or insight is appreciated!
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- allegheny river
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Found this specimen when hunting just outside Danville, PA in a roadcut near the Susquehanna river. This is from the same visit as my previous post. The location is Trimmers Rock formation. My best guess is Leiorhynchus but I'm pretty stumped on this one.