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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Bartonaspis new genus, a trilobite species complex from the base of the Upper Cambrian Sunwaptan Stage in North America

By Westrop Stephen R   Adrain Jonathan M  

Canadian Journal of Earth Sciences, Vol. 44, Iss. 7, 2007-07 ,pp. : 987-1003

NRC Research Press

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Protaspides of uppermost Cambrian trilobite Missisquoia, with implications for suprafamilial level classification of the genus

By Chatterton Brian D.   Lee Dong-Chan  

Canadian Journal of Earth Sciences, Vol. 44, Iss. 4, 2007-04 ,pp. : 493-506

NRC Research Press

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Validity and composition of the Silurian trilobite genera Borealarges and Dicranogmus, with new species from the Canadian Arctic

By Adrain Jonathan M  

Canadian Journal of Earth Sciences, Vol. 40, Iss. 5, 2003-05 ,pp. : 749-763

NRC Research Press

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The mid-Cambrian (Series 3, Guzhangian; Marjuman) trilobite Deiracephalus Resser, 1935, from western Newfoundland

By Westrop Stephen R.   Dengler Alyce A.   Jin Jisuo  

Canadian Journal of Earth Sciences, Vol. 51, Iss. 7, 2014-01 ,pp. : 682-700

NRC Research Press

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