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Found 196 results

  1. Notice

    Notice preliminaire Joachim Barrande:Sur le Systeme Silurien et les Trilobites de Boheme Text only,about 6,6 MB LINK Systeme Silurien du Centre de la Boheme Premiere partie:Recherches paleontologiques vol 1: planches Crustacees etTrilobites (plates/Atlas)..........ABOUT 20,8 MB systemesilurienbarrande supplement au volume 1: Trilobites,crustacees diverses et Poissons size: about 15,5 Mb LEGAL STATUS:out of copyright aetiology(why go look for it?): total annoyance at seeing this thing cited so often and not having it For a mid-nineteenth century monograph ,this is still quite often cited. Needless to say that the taxonomy should be viewed with some circumspection some reasons why these are famous volumes:
  2. g2006n3a3.pdf Statistical Comparisons of Late Caradoc(Ordovician) brachiopod faunas around the Iapetus Ocean,and Terranes located around Australia,Kazakhstan and China Yves Candela Geodiversitas,28/3,2006
  3. the trilobites of Giessen

    LINK Gerhard Hahn and Michael W.R.Amler Revison der Karbontrilobiten von Koenigsberg b. Giessen Geologica et Palaeontologica,19,s.71-79,28-11 1985 note:Konigsberg with diacritic trilobites from an olistostrome("submarine slide") Olistostromes are VERY common in Paleozoic deposits Nota very big bene:In German English language abstract present
  4. ovalocephalus

    zhouzhitrilobarthropevolRSL.pdf Evolutional trends and Paleobiogography of the Ordovician Trilobite Ovalocephalus Korleva 1959 Zhou Zhiyi,Yuan Wenwei,Zhou Zhiqiang Proceedings of the Royal Society,B,2010,v.277,p.257-266
  5. bathyurus and Eomonorachus

    ontariomusbathyurtrilobitesbathyureomonorbiofacies00ludv.pdf about 2.1Mb Rolf Ludvigsen The Trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and their biofacies significance Royal Ontario Museum Life Sciences Contributions 114 (1978) As far as I could ascertain,not posted previously.
  6. Triarthrus eatoni

    Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside eight other complete or near complete T. eatoni.
  7. Triarthrus eatoni

    Included in multi plate alongside eight other complete or near complete T. eatoni. Found in association with T. rougensis, T. spinosus, Brachiopods, Cephalopods, and Graptolites. The Cephalon is slightly disarticulated, likely from molting.
  8. Triarthrus eatoni

    Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside three other T. eatoni and one T. rougensis. Both eyes are preserved.
  9. Triarthrus rougensis

    Both genal spines are present. Right side of cephalon is slightly pyritized. Found associated with T. spinosus, T. eatoni, cephalopods, and graptolites.
  10. Seed Fossil?

    These 2 are part of a many (50 or more) fossils/imprints I found in a creek bed on a visit this summer to our family farm in Ritchie County, WV. Since we're going back for a visit next week, I thought I'd try to ID these now and look for more while I'm there again. The bulk of the fossils/imprints I've ID'd as ferns, and maybe lycophytes (if my research so far is correct) but can't find anything on the imprints in the attached photos. I'm new to plant fossils, so would appreciate some help in ID'ing this set. Here's what I know: All the fossils/imprints I found, including the attached, were in the same 3-4 meter area along a shallow (1-1.5 meter high) creek bank in Ritchie County, WV; They were found in thick sheets of wet, muddy shale; and The 2 imprints in the photos fit into one another as a match/pair. Here are my questions: What are/were the 2 ovals that fit into one another in the photos? Is there anything else of interest I should be noticing in the attached photos and/or in the other similar fossils/imprints I've found? Note that the last photo are the 2 pieces flipped over. Thanks in advance.
  11. Carbondale PA

    Hello everyone! I am in the process of investigating the fossil site in Carbondale PA but can't seem to find the exact place where to go or any directions, there were some things I saw on the forum but they look like they are on private property. If anybody knows about it new insight would be greatly appreciated. Thank you.
  12. Stack&Sallan 35 Mb An examination of the Devonian fishes of Michigan Jack Stack and Lauren Sallan How to cite this article: Stack and Sallan (2018), An examination of the Devonian fishes of Michigan. PeerJ 6:e5636; DOI 10.7717/peerj.5636 contains: -Rockport Quarry species list -a nice bit on Protitanichthys NB :the remains are mostly disarticulated
  13. Bryozoan? Paleozoic/Mississippian?

    Can anyone help me indentify what these are? I’ve found them on a few of the rocks we’ve found, but haven’t been able to figure it out so far. They were found on a bluff in Boone County, MO, in the same area rife with the Crinoids we’ve been finding. I’m thinking from the Paleozoic/Mississippian Era? These are the clearest pictures I could get tonight but, if more are needed, I’m happy to take some in natural light tomorrow. Thanks in advance for your help!
  14. John S. Peel Department of Earth Sciences (Palaeobiology), Uppsala University, Uppsala, Sweden GFF ,2018, Vol. 140, No. 3, 249–253 A new look at Pleurotomaria perlata Hall, 1852 (Gastropoda) from the Silurian of Laurentia peelgastropmollusilurpaleozoic at Pleurotomaria perlata Hall 1852 Gastropodan of Laurentia.pdf about 1,1 MB HIGHLY RECOMMENDED brief discusions on /comparisons with : Liospira,Pycnotrochus
  15. A Fossilized Thing

    Hi again! I’m totally stumped with this one. The rock is limestone, so its not the Billings formation. There is still some matrix on it, but most of the surface is exposed. It’s spherical and slightly faceted. Fossil pearl?
  16. Silurian of Norway

    a recognized classic Indispensable! Worsley,Aarhus et al:The Silurian Succession of the Oslo Region NGU Bull.384,1983 ABOuT 7,5 MB NB: NO fossils are figured,the emphasis is on local correlation and stratigraphy
  17. LINK Sedimentary context and palaeoecology of Gigantoproductus shell beds in the Mississippian Eyam Limestone Formation, Derbyshire carbonate platform, central England L. S. P. Nolan1*, L. Angiolini2, F. Jadoul2, G. Della Porta2, S. J. Davies1, V. J. Banks3, M. H. Stephenson3 & M. J. Leng4,5 Proceedings of the Yorkshire Geological Society Published online July 25, 2017 https://doi.org/10.1144/pygs2017-393 | Vol. 61 | 2017 | pp. 239–257 ABOUT 12 MB,RECOMMENDED,not in the least for all those interested in the Carboniferous("Dinantian")of Europe and brachiopod ecology
  18. Edestus teeth

    From the album Sharks and fish

    The shark relative is genus of eugenodontia holocephalid from the Carboniferous-Pennsylvanian age Anna shale formation, Carbondale group, found in different Illinois coal mines. I dont know(yet)which mine these were found in. This unidentified species is of the "vorax-serratus- crenulatus-heinrichi" or "E. heinrichi group", with the teeth being more of a standard triangular shape, as opposed to being thinner and pointed at a forward angle as in the "E. minor" group http://www.thefossilforum.com/applications/core/interface/file/attachment.php?id=501751
  19. a reassignment of Palezoic foliage

    kringspaphleboidfolairlinneankirej.1095-8339.2007.00616.x.pdf Botanical Journal of the Linnean Society, 2007,153, 477–488. With 18 figures NEW GENUS FOR LATE PALAEOZOIC NONCALCAREOUS ALGAE M. KRINGS ET AL. Perissothallus, a new genus for Late Pennsylvanian–Early Permian noncalcareous algae conventionally assigned to Schizopteris(aphleboid foliage) MICHAEL KRINGS, SHARON D. KLAVINS, MANFRED BARTHEL,SUNIA LAUSBERG, RUDOLPH SERBET, THOMAS N. TAYLOR and EDITH L. TAYLOR 0,943 MB
  20. old beetles record

    this being: Whirling in the late Permian: ancestral Gyrinidae show early radiation of beetles before Permian-Triassic mass extinction Evgeny V. Yan,1,2 Rolf G. Beutel,1 and John F. Lawrence3 BMC Evol Biol. 2018; 18: 33. Published online 2018 Mar 16. doi: 10.1186/s12862-018-1139-8 1,63 MB yanbeutelcoleopterentomollagersts12869-8.pdf
  21. Paleozoic selachians from the USA

    Johnson/2003Mitt.Mus.NaturkBerl., Geowiss. Reihe 6 (2003) 125-160 Nature of the beast (pun intended): taxonomical (systematic) Monograph " Dentitions of Barbclabomia (new genus, Chondrichthyes: Xenacanthiformes) from the Upper Palaeozoic of North America Gary D. Johnson' With 14 figures and 3 tables recommended, particularly for those interested in xenacanthids, orthacanthids, etc About 5 Mb Abstract Barbclabornia luedersensis (Berman, 1970) is defined on the basis of small (2 111117 high) isolated teeth that lack an intermediate cusp. It is known from the Lower Permian and possibly the Upper Pennsylvanian of North America. The two principal cusps are slightly curved orally, nearly parallel, and bear cristae mainly on their distal halves. They are cylindrical but become compressed proximally. The long axis of each cusp base is >45" to the labial margin of the tooth base. The base bears a prominent apical button in contact with the cusps; a central foramen is absent. Fewer than ten foramina occur on the aboral surface of the base, which bears a prominent concave basal tubercle. The shape of the base ranges from somewhat triangular to quadrangular. The cusps are composed of orthodentine covered by hypermineralized pallial dentine; the base is composed of orthodentine but may also contain trabecular dentine. Except for the possible occurrence of symphysial teeth, the dentition is homodont. Barbclabornia cf. B. luedersensis is stratigraphically highest in the known range of the genus and is restricted to the nearly lowermost part of the Clear Fork Group (Artinskian) of Texas. The teeth are similar to B. lztedersensis, but are more robust and have a quadrangular-shaped base. Barbclabornia was large, based on an undescribed palatoquadrate some 45 cm long. It was probably freshwater and is most closely related to Triodus. Key words: Chondrichthyans, Xenacanthiformes, Early Permian, North America.
  22. Hello, I have been a long time member of the fossil forum, but I have never posted before. I live in south Florida and I am planning on making a trip up to northwestern Georgia, northeastern Alabama, and southeastern Tennessee for two or three days and I was wondering if anyone had any suggestions on fossil hunting sites in the region. Any recommendations would be greatly appreciated.
  23. Mazonia 2018 short (re)view

    http://jgs.lyellcollection.org/content/jgs/early/2018/07/30/jgs2018-088.full.pdf. THIS IS: The Mazon Creek Lagerstätte: a diverse late Palaeozoic ecosystem entombed within siderite concretions View ORCID ProfileThomas Clements, View ORCID ProfileMark Purnell and Sarah Gabbott Journal of the Geological Society, https://doi.org/10.1144/jgs2018-088 about 2,1 MB and the usual JGSL quality
  24. I found these fossils beneath a steel rail bridge in Maryland near the 4 locks of the C & O. You can find it. I think they may be Silurian, and are mostly brachiopods, including an adult brachiopod. Observe the fleshy muscle material in the center. Observe the 3 parasite wormy animals at the upper left. I think this was an old Brachiopod near death: It was infected with wormy parasites. Its muscle flesh was infected with a fungus that brought in sulfur in to react with the Iron in the water, creating pyrite which is yellow in the fossil. 400mya, the only yellow mineral was pyrite, Iron + Sulfur. This is how a senior paleozoic brachiopod dies. Observe. Out of respect, I am giving this animal the name Jesse, after my Grandfather. Jesse died of old age and we salute him.
  25. My family decided to take a few day trips to Delaware’s beaches this summer. We went to a few, and heeding some posts by @I_gotta_rock, I kept an eye out for fossils. I found a few, but three were good enough to show. No one knows which formation exactly they come from, only that they are Paleozoic. Sounds like a good Thesis to me. Anyway here we are, first a worn coral bit, kinda like a petosky stone. .7 inches
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