There are 4 matches

Collection Authorizer Collection name Reference
12070M. Patzkowsky White Head Fm, perce, Hirnantian, 70LE100 - Patzkowsky Hirnantian - Ordovician 5 - Canada Sheehan and Lesperance (1981)
12145M. Patzkowsky White Head Fm, Perce, Hirnantian, 80F4 - Patzkowsky Hirnantian - Ordovician 5 - Canada Sheehan and Lesperance (1981)
12146M. Patzkowsky White Head Fm, Perce, Hirnantian, 80F5 - Patzkowsky Hirnantian - Ordovician 5 - Canada Sheehan and Lesperance (1981)
24455S. Holland Gaspé Peninsula, Cap Blanc Section, White Head Formation Unit 5 Ashgill - Ordovician 5 - Canada Skidmore and Lespérance (1981)

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