There are 2 matches

Collection Authorizer Collection name Reference
24635S. Holland Whittaker Formation, Whittaker & Funeral Ranges, District of Mackenzie Rocklandian/Kirkfieldian - Ordovician 4-5 - Canada Ludvigsen (1979)
24636S. Holland District of Mackenzie Ceraurus mackenziensis zone Edenian - Ordovician 5 - Canada Ludvigsen (1979)

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