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Showing results for tags 'euproops'.
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310-million-year-old fossilized brain found (Mazon Creek, Illinois)
Oxytropidoceras posted a topic in Fossil News
Perfectly preserved 310-million-year-old fossilized brain found By Harry Baker, Live Science, July 28, 2021 Bicknell, R.D., Ortega-Hernández, J., Edgecombe, G.D., Gaines, R.R. and Paterson, J.R., 2021. Central nervous system of a 310-my-old horseshoe crab: Expanding the taphonomic window for nervous system preservation. Geology. Open access Yours, Paul H.- 1 reply
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Siderite nodules coeval with those of Mazon Creek and containing comparable fauna and flora are also found in Great Britain and Poland, where this Euproops originated. Reference: Filipiak, P. & Krawczynski, W. (1996). Westphalian xiphosurans (Chelicerata) from the Upper Silesia Coal Basin of Sosnowiec, Poland. - Acta Palaeontologica Polonica 41, 4, 413-425.
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From the album: Invertebrates
Euproops rotundatus (Prestwich, 1840) Carboniferous Middle Pennsylvanian (Westphal B) Sosnowiec Poland Length 3cm Westphalian xiphosurans from the Upper Silesia Coal Basin of Sosnowiec, Poland- 1 comment
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Euproops sp. with Crossotheca crepinii Zeiller 1883
paleoflor posted a gallery image in Member Collections
From the album: Steinbruch Piesberg (Osnabrück, Germany)
© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
© (c) T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
© (c) T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
© (c) T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
© (c) T.K.T. Wolterbeek
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Bicknell, R.D. and Pates, S., 2019. Xiphosurid from the Tournaisian (Carboniferous) of Scotland confirms deep origin of Limuloidea. Scientific reports, 9(1), pp.1-13. open access A related paper is: Bicknell, R.D., Pates, S. and Botton, M.L., 2019. Euproops danae (Belinuridae) cluster confirms deep origin of gregarious behaviour in xiphosurids. Arthropoda Selecta. Русский артроподологический журнал, 28(4), pp.549-555. open access Alternative file of above paper Yours, Paul H.
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- albalimulus
- ballagan formation
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Just joint and wanted to get my first entry in. This middle Pennsylvanian concretion from Mazon Creek, was discovered in 2015 in pit 2, in an area I call Ivy Ridge thanks to all the Poison Ivy in the area. The finger near the top right should be where the shark emerged. I did not find this shark egg case variety posted. I hope this helps in future identification. Eventually I will be getting the measurement blocks. Shark Egg Case Phylum: Chordata Class: Chondrichthyes Palaeoxyris multiplicatum Horseshoe crab Phylum: Arthopoda Superclass: Chelicerata Class: Merostomata Order: Xiphosura Euproops danae
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I cracked this Mazon Creek concretion open today, and I am thinking that it is a Euproops danae Horseshoe crab, but not positive on this one. What do other members think? @RCFossils
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My drawing of a little blue blooded fossil from Mazon Creek
fossilcrazy posted a topic in Paleo Re-creations
This is a drawing I made a couple weeks ago. It is Euproops danae, a Pennsylvanian Horseshoe crab from the Mazon Creek (proper). My nodule is 100% complete with no restorations. Being a Mazon specimen, it comes from the Francis Energy Shale and is about 300 million years old. This drawing was done on textured paper with 2B and 4B pencils. -
References: Selden, P. & Siveter, D. 1987: The origin of limuloids. Lethaia, Vol. 20, pp. 383-392, Oslo.
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Clay stone layer above the ‘Zweibänke’ coal seam. Steinbruch Piesberg is a sandstone quarry. The quarry itself has been active since the middle of the 19th century, but the mining activities at this location date from as early as 1461. The area was first mined for coal. Piesberg is one of the very few outcrops in Northern Germany where you can dig Carboniferous layers. The quarry itself is famous for its plant fossils from the Carboniferous period, but you can also find remains of dragonflies, roaches, arachnids, arthropleuridae, scorpions and of course horseshoe crabs. Freshwater shells also occur, but they are rare. References: P. Siegfried. Ein Schwertschwanz aus dem Oberkarbon von Ibbenbüren / Westf., Paläontologische Zeitschrift, Vol. 46, Nr. 3-4 (1972), p. 180-185
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