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Taxonomy from Fossilworks.com. Synonym Ectenocrinus canadensis Billings 1857. Ectenocrinus simplex can be well recognized by its distinctive trimeric columnals. References: Hall, J. (1847). Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338. Titus, R. (1989). Clinal Variation in the Evolution of Ectenocrinus simplex. Journal of Paleontology Vol. 63, No. 1 (Jan., 1989), pp. 81-91. Warn, J. and Strimple, H. L. (1977). The disparid inadunate superfamilies Homocrinacea and Cincinnaticrinacea (Echinodermata, Crinoidea), Ordovician-Silurian, North America (Bulletins of American Paleontology, 72, 138 p. H. Alghaled (2019). An Upper Ordovician faunal assemblage from the Neuville Formation of Québec, including an exceptionally preserved soft bodied sea anemone, Paleocerianthus neuvillii n. sp., Université de Montréal. MSc. thesis.
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Fossil hunting trip to Lompret (Devonian of Belgium)
ziggycardon posted a topic in Fossil Hunting Trips
Hi everyone! Around 2 months ago on the 16th of october 2021 I went on a fossil hunting trip with the BVP to the stone quarry of Lompret in Belgium. https://www.paleontica.org/locations/fossil/654 The rocks in this quarry are Devonian in age and date back to the Frasnian (382.7 million years ago to 372.2 million years ago) with the finds mostly being from both the Neuville and Matagne Formations. According to Tom our excursion leader this quarry exists out of what used to be coral reefs and islands that formed around atolls. The fossils that you can find in this quarry are Brachiopods, Bivalves, Gastropods, Corals, Bryozoans, Cephalopods like Goniatites and Othocone Nautiloids and in very rare cases Placoderm and trilobite material (although no one was that lucky during the excursion). The quarry is also very rich in minerals like Baryte, Calcite, Quartz, Galena, Fluorite, etc... I have long looked forward to visiting this quarry, so I was very happy to finally be able to go and it did not dissapoint! It was quite foggy in the morning when we arrived which both looked eerie and cool at the same time, luckily it later cleared up! There where quite a lot of other people in the quarry (mainly people looking for minerals like Byrite and Galena) but our club headed straight to higher plateau of the quarry where some of the black Matagne Shales where with very nice Pyritized fossils and to where the waste heaps were to look for fossils. That's me looking for Brachiopods and pyritized Goniatites and Bactrites. A large Hexagonaria coral which was a little to heavy to bring home We also found some Pyrite cubes which (although very exhausting) we managed to extract- 11 replies
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While doing some prep on some Neuville Fm material (U. Ordovician, Quebec), on the slab I was working I bumped into this. Roughly 5 mm wide. I am thinking crinoid bit, but not quite sure. It doesn't seem to match the main four found there, or possibly a component piece that baffles my crinoid-poor knowledge! ***EDIT: Looking over the faunal lists, the star-shaped plate makes it a good match for a rhombiferan.***
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