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Showing results for tags 'arthropoda'.
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Hardly anybody ever talks about the Cambrian fossils of the southern midcontinent (USA). They're super-underappreciated. Show us what you've got! Here's one to start us off: Thorax and pygidium of a trilobite, possibly Orygmaspis, typically referred to as "Orygmaspis cf. Orygmaspis llanoensis" but probably a different species altogether. Note the two pairs of macropleural spines marking the final thoracic segments. Davis Formation (late Cambrian: Furongian), south side of Highway 8, St. François County, Missouri.- 3 replies
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- reagan sandstone
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From the album: Nautiloid’s Trilobite Collection
Collected on 5/13/2022 in Central New York Probably from the Moscow Formation Hamilton Group, Middle Devonian© Owen Yonkin 2022
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Just a note that James Cullison's 1944 monograph on the rocks and fauna of the upper Lower Ordovician of Missouri and Arkansas is now freely available for download or perusal at https://archive.org/details/paper-cullison-1944-the-stratigraphy-of-some-lower-ordovician-formations-of-the This publication has always been devilishly tough to get a hold of. A nice systematic paleontology section deals with the many gastropods and other mollusks as well as the less diverse brachiopods, trilobites, and sponges. The monograph covers the following formations as currently accepted in Missour
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- cephalopoda
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Pictorial Atlas of Fossil and Extant Horseshoe Crabs, With Focus on Xiphosurida Russell D. C. Bicknell and Stephen Pates Front. Earth Sci. 8:98. doi: 10.3389/feart.2020.00098 you may not share my tastes in paleontological publications,BUT RECOMMENDED feart-08-00098.pdf edit: pic added edit: I consider tables 1 to 4 pretty valuable,systematically speaking edit two: pic added,red underlining by yours truly
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Help requested: Western NY / PA Late Devonian eurypterids & sponges
pefty posted a topic in Fossil Hunting Trips
This Missourian is headed out to the Late Devonian of western New York state and Pennsylvania this coming week and hoping for a little help from y'all on localities for eurypterids and the sponge Hydnoceras. Are Clarke's (1920) Hydnoceras localities at Brown Hill (near Cohocton, NY) and Irish Hill (near Bath, NY) still productive and accessible? Are Ehlers' (1935) eurypterid localities at Bush Hill (near Smethport, PA)? Or are there other spots I should be checking out? I understand that the Trimmers Rock Formation in the vicinity of Bloomsburg, PA, is also worth a look for eurypterids, but I -
Kaskia sp. pygidium.
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Kaskia sp. pygidium.
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This is a belated report from the Briggs TFF gathering last spring. Here are some photos of TFF'ers working the site: Here are my finds (not in phylogenetic order). Scale in mm throughout. I guess I'll start with one of my bucket listers, a large goniatite: Next, the trilobotes: And "those other arthropods": Now the gastropods: Other Mollusca: Crinoidea: Seedles
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- briggs
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Help request! I am putting together a tool for judging rock age based on very crude, whole-rock, hand-sample observations of fossil faunas/floras -- the types of observations a child or beginner could successfully make. I view this as a complement to the very fine, species-level identifications commonly employed as index fossils for individual stages, biozones, etc. Attached is what I've got so far, but I can clearly use help with corals, mollusks, plants, vertebrates, ichnofossils, and the post-Paleozoic In the attached file, vibrant orange indicates times in earth history to com
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- biostratigraphy
- cambrian
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In the years of fossil hunting some fossils caught me by surprise especially the ones out of rough pieces that had no resemblance to nodules . These are some of my less common finds myriapods,arachnids, arthropleura tergite,shrimp carpace and the nymph idoptilus sp. I also found fish scales and flora though not as abundant as Mazon creek . Cheers John
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I found this today in the Ripley Formation (Late Cretaceous (Maastrichtian) of ne Mississippi. Am I right in thinking it’s a crab finger? Which one? Thanks. coin is 19 mm in diameter.
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- anomura
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wint Trilobiten aus dem Grenzbereich Emsium/Eifelium (Devon) im Raum Winterberg/Züschen (östliches Sauerland) Stephan Helling & Lothar Schöllmann Geologie und Paläontologie in Westfalen 90: 25-65 slightly more than 24 MB
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Marshall_et_al-2014-Palaeontology.pdf A DIVERSE CHASMATASPIDID (ARTHROPODA:CHELICERATA) FAUNA FROM THE EARLY DEVONIAN (LOCHKOVIAN) OF SIBERIA by DAVID J. MARSHALL, JAMES C. LAMSDELL, EVGENIY SHPINEV and SIMON J. BRADDY Palaeontology, Vol. 57, Part 3, 2014, pp. 631–655 Key words: Palaeozoic, Chasmataspidida, Heteroaspis, Dvulikiaspis, Nahlyostaspis, Skrytyaspis, convergence. "two novel chasmataspidid species: Nahlyostaspis bergstroemi gen. et sp. nov. and Skrytyaspis andersoni gen. et sp. nov. ‘Eurypterus’ stoermeri and ‘Tylopterella’ menneri are both redescri
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- nahlyostaspis
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Park_et_al-2014-Palaeontology.pdf MANSUYIA SUN, 1924 AND TSINANIA WALCOTT,1914 FROM THE FURONGIAN OF NORTH CHINAAND THE EVOLUTION OF THE TRILOBITE FAMILY TSINANIIDAE by TAE-YOON PARK1, JU EON KIM,SEUNG BAE LEE,DUCK.K.ChOI PALAEONTOLOGY,57-2,2014 slightly more than 1 MB
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harrington cambrian1670-1739-1-PB.pdf Horacio J Harrington Paleontologia del Paleozoico inferior de la Argentina I: Las faunas del Cambrico medio de San Juan Revisto del Museo de La Plata,T II,pt 11(Paleontologia) less than 2,5 MB NOTE: in spanish edit: Diacritics omitted
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- amecephalina
- eteraspis
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GAL Andrew Scott Gale Phylogeny of the deep-sea cirripede family Scalpellidae (Crustacea, Thoracica) based on shell capitular plate morphology Zoological Journal of the Linnean Society, Volume 176, Issue 2, 1 February 2016, Pages 266–304, about 10 Mb emphasis: description(systematics/taxonomy) & depiction(see below)
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- cretiscalpellum
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KHALD Les trilobites a faune benthique varie(FBV) dans la saoura-ougarta Systematique et paleoecologie Khaldi Ahmed Yacine memoire presente pour l óbtention du grade de magister en geologie soutenu le 10/6/2014 NB diacritics omitted summary description:Thesis
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SHERGOLD CoMMONWEALTH OF AUSTRALIA DEPARTMENT OF NATIONAL DEVELOPMENT BUREAU OF MINERAL RESOURCES, GEOLOGY AND GEOPHYSICS BULLETIN 104 Oryctocephalidae(Trilobita: Middle Cambrian)of Australia BY J. H. SHERGOLD publication date: 1969 about 24 MB 58 pages of morphology and systematics,locality list,bibliography summary description(monograph)
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JGSL The Winneshiek biota: exceptionally well-preserved fossils in a Middle Ordovician impact crater Derek E.G. Briggs, Huaibao P. Liu, Robert M. McKay and Brian J. Witzke Journal of the Geological Society, 175, 865-874, 24 September 2018, https://doi.org/10.1144/jgs2018-101 Cannot recommend this one highly enough size:about 8,5 MB Note:the Ames impact straddles the Arbuckle/Simpson Boundary
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- darriwilian
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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
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- paleozoic
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Carrie Schweitzer Additions to the Tertiary Decapod fauna of the Pacific Northwest of North America Journal of Crustacean Biology,21(2),521-537/2001 jcb0521.pdf newly designated species are mentioned in the tags size:0,245 MB,approximately an outtake:
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- xeinostoma
- daldorfia
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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
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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.
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LINK A Peach*:Monograph of the Higher Crustacea of the Carboniferous Rocks of Scotland memoirs of the Geological Survey of Great Britain/Paleontology Published : 1908 *EUHHH:unintentional pun? 5,12 Mb,or thereabouts Localities:Glencartholm,Granton "editorial note": Granton is a bit of a lagerstatt,but curiously enough I'm somehow hesitant about adding that to the tags
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From the album: Invertebrates and plants(& misc.)
Eurypturus lacustris arthropoda chelicerata bertie Gr. Williamsville (A) Fm Buffalo, Western New York silurian
