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Galbagnostus : ウィキペディア英語版 | Galbagnostus
''Galbagnostus'' is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Lower and Middle Ordovician (Floian to Darriwillian). == Distribution ==
* ''G. galba'' has been found in the Middle Ordovician (Darriwillian) of Newfoundland, Canada (''Histiodella kristinae'' conodont-zone, Table Cove Formation, Table Head Group, Chazyan) and Ireland (Lough Shee Mudrocks Formation, Llanvirn).〔(【引用サイトリンク】author= Paleobiology Database )〕 * ''G. sp.'' was collected from the Horn Valley Siltstone and basal Stairway Sandstone, Amadeus Basin, Northern Territory.〔 * ''G. nericiensis'' is reported from the late Lower Ordovician (Floian) of Sweden (Billingen stage).〔(【引用サイトリンク】author= Baltoscandian fossils )〕
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