Holmograptus spinosus and the Middle Ordovician (Darriwilian) graptolite biostratigraphy at Les Méchins (Quebec, Canada)

By Maletz Jörg  

Canadian Journal of Earth Sciences, Vol. 46, Iss. 10, 2009-10 ,pp. : 739-755

NRC Research Press

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Bearriverops, a new Lower Ordovician trilobite genus from the Great Basin, western USA, and classification of the family Dimeropygidae

By Adrain Jonathan M   Westrop Stephen R  

Canadian Journal of Earth Sciences, Vol. 44, Iss. 3, 2007-03 ,pp. : 337-366

NRC Research Press

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Heckethornia, a new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA

By McAdams Neo E.B.   Adrain Jonathan M.  

Canadian Journal of Earth Sciences, Vol. 46, Iss. 12, 2009-12 ,pp. : 875-914

NRC Research Press

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A tale of both sides of Iapetus – upper Darriwilian (Ordovician) graptolite faunal dynamics on the edges of two continents

By Egenhoff Sven   Böhme Martina   Asch Robert   Borowski Katarina   Höntzsch Stefan   Kirsch Moritz   Werner Mirko  

Canadian Journal of Earth Sciences, Vol. 48, Iss. 5, 2011-05 ,pp. : 841-859

NRC Research Press

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An unusually large Aulocopella winnipegensis and associated demosponges from the Upper Ordovician Beaverfoot Formation, southeastern British Columbia

By Rigby J K.   Johnston Paul A  

Canadian Journal of Earth Sciences, Vol. 41, Iss. 8, 2004-08 ,pp. : 939-947

NRC Research Press

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