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Showing results for tags 'conifer'.
Found 12 results
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From the album: Carrière Les Tuilières (Lodève, France)
© T.K.T. Wolterbeek
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Hi everyone! I just found this pieces after the newest trip in Johor Bahru, Malaysia. The information I got that the sediment there is from late Jurassic to early Creataceous, and most the fossil they found are fern. So anyone have an idea that my pieces could be (Seed/wood/fern/..)? I’m very appreciated. thank you
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Maybe 6-7 years ago, I was at a local gem/mineral show. There was really just one dealer with a variety of fossils. it was a mix of what was left of a family collection that he had bought plus other stuff he picked up. He had lowered the price on whatever hadn't sold at the previous show. He had several Mazon Creek specimens - mostly small "ferns" in nodules plus a weird arthropod-looking thing. I had hardly any Mazon Creek stuff other than what I think is a Paleoxyris so I asked him what he would take for the group. It was super-cheap so I bought the pile. I thought it was cool that I got both halves as it makes it a more interesting display piece. The nodule is about 2 1/2 inches (58mm) long It was labelled simply as "Will County, IL cone" so I was left to assume it's a Mazon Creek piece just out of what it looks like. is it a cone? If so, what plant?. If not, what is it? I have an older reference for the plants of the deposit, "Guide to Pennsylvanian Fossil Plants of Illinois" by james R. Jennings but it's buried in a box somewhere and may be outdated. I'll still try to dig that out just to see what it says. I request the opinions of the "Mazon Creek regulars," the names I see pop up when the subject of the fauna and flora comes up, plus anyone else with an interest. @RCFossils @Nimravis, @deutscheben, @connorp Thanks, Jess
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Subfossil confier remains modified by asteroid impact, Hiawatha Glacier, Greenland
Oxytropidoceras posted a topic in Fossil News
Garde, A.A., Søndergaard, A.S., Guvad, C., Dahl-Møller, J., Nehrke, G., Sanei, H., Weikusat, C., Funder, S., Kjær, K.H. and Larsen, N.K., 2020. Pleistocene organic matter modified by the Hiawatha impact, northwest Greenland. Geology, 48(9), pp.867-871. open access paper Supplemental Material: Pleistocene organic matter modified by the Hiawatha impact, northwest Greenland Yours, Paul H. -
One of the common coniferous plant fossils found at the Talbragar site is Agathis jurassica. The genus Agathis is extant, representing a small group of some 21 species mainly distributed in Australasia, belonging to the same family (Araucariaceae) as Wollemia. Together with a fishtail. Key references: White. M.E., 1981a. Fish beds reveal lush fossil forest. Australian Natural History 20 (7), 227-230. White. M.E., 1981b. Revision of the Talbragar Fish Bed Flora (Jurassic) of New South Wales. Records of the Australian Museum 33 (15), 695-721. Woodward, A.S., David, T.W.E. and Pittman, E.F., 1895. The fossil fishes of the Talbragar Beds (Jurassic?), with a note on their stratigraphical relations. Memoir Geological Survey of New South Wales, Palaeontology 9, 1-27. Frese M, Gloy G, Oberprieler RG, Gore DB (2017) Imaging of Jurassic fossils from the Talbragar Fish Bed using fluorescence, photoluminescence, and elemental and mineralogical mapping. PLoS ONE 12(6): e0179029. https://doi.org/10.1371/journal. pone.0179029
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Unidentified plant from Jiufotang Formation of Sihedang, Lingyuan, Liaoning
-Andy- posted a topic in Fossil ID
Hello, I have an unidentified plant from the Jiufotang Formation of Sihedang, Lingyuan, Liaoning Province I acquired this plant as a Baiera sp. However, due to the way it was preserved, I cannot tell if it has the characteristic "split-vein" lobes of Ginkgoales. Also problematic is that Baiera sp. from Jiufotang seem to come in a wide variety of shapes Here are two pics of Baiera sp. from China. There is also a paywalled article A new species of Baiera from the Early Cretaceous Jehol Biota of southeastern Jilin, China so I'd appreciate if anyone can share info from it Anyway, there is also Liaoningocladus boii from the Jehol Biota which is a close match for my plant What do you guys think? If you suspect it's another plant genus, please feel free to tell me. Thank you
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From the album: Plants of the Lewellyn Formation
Early Conifer Fruit/Seed Body about 4" long Pennsylvanian Age (308-300 MY) Lewellyn Formation Columbia County, PA The impression is coated in white iron oxide left from original plant material during fossilization. -
New Argentine fossils uncover history of celebrated conifer group
Oxytropidoceras posted a topic in Fossil News
New Argentine fossils uncover history of celebrated conifer group Francisco Tutella, Penn State University, June 18, 2020 https://news.psu.edu/story/623337/2020/06/18/research/new-argentine-fossils-uncover-history-celebrated-conifer-group Rossetto‐Harris, G., Wilf, P., Escapa, I.H. and Andruchow‐Colombo, A., 2020. Eocene Araucaria Sect. Eutacta from Patagonia and floristic turnover during the initial isolation of South America. American Journal of Botany. https://www.researchgate.net/publication/341278103_Eocene_Araucaria_Sect_Eutacta_from_Patagonia_and_floristic_turnover_during_the_initial_isolation_of_South_America https://www.researchgate.net/profile/Peter_Wilf Shi, G., Li, H., Leslie, A.B. and Zhou, Z., 2020. Araucaria bract-scale complex and associated foliage from the early-middle Eocene of Antarctica and their implications for Gondwanan biogeography. Historical Biology, 32(2), pp.164-173. https://www.researchgate.net/publication/325404218_Araucaria_bract-scale_complex_and_associated_foliage_from_the_early-middle_Eocene_of_Antarctica_and_their_implications_for_Gondwanan_biogeography https://www.researchgate.net/profile/Gongle_Shi Yours, Paul H. -
Some petrified wood found in northwestern New Mexico, San Juan Basin, Upper Cretaceous, Kirtland Formation a couple of weeks ago. The cut slabs are from a log about 6-inches in diameter and my best guess is conifer only because most everything else in that area turns out to be conifer, specifically, Cupressinoxylon sp. Any other opinion about species would be welcome. There are several nice agate bands running through the length of the log and are clearly visible here. The first slab is dry and the second is wet.
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A couple of photos showing an unknown fossilized conifer tree located this past November (2019) in northwestern New Mexico, Kirtland Formation, Upper Cretaceous. Sorry for no scale but the specimen is about 13 inches (33 centimeters) long. Also included is a photo of my dig where I removed this specimen as a piece of something larger. You will see this specimen limb is quite compressed, something common for petrified wood found in that area of New Mexico. I have tentatively identified the specimen as a conifer using a DinoLite (see photo). I am seeking help with additional information or identification beyond it being simply "conifer".
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From the album: Fossildude's Early Jurassic Plant Fossils
Brachyphyllum sp. Early Jurassic, Shuttle Meadow Fm. Connecticut.© ©2012 Tim Jones
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Hi all, It has been ages since my last post here. While I generally find it pleasant to just read and enjoy the contributions of others, it is about time I post some pictures of my own again (only polite, don't you agree?). Hope you enjoy these long overdue photographs. The attached images show one of the acquisitions I made during the several months of radio-silence. The specimens shows large Walchian conifer fronds, of the Hermitia germanica-type. Given the size, it is easily one of the more remarkable plant fossils in my collection. The site was discovered, collected and closed, all around 25-30 years ago. More information on the Walchian Conifers from the Permian of the Saar-Nahe Basin can be found in the Dissertation of Sunia Lausberg 2002 (in German). Cheers, Tim Hermitia germanica Kerp and Clement-Westerhof 1984 Locality: Steinbruch Juchem, Niederwörresbach, Rheinland-Pfalz, Germany Age: Rotliegend / Asselian (Lower Permian) Stratigraphy: Donnersberg Formation, Rhyolithic Tuffseries III or IV (tuff matrix 60 x 35 cm) (detail of twigs and branches)
