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Bibliography
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†Orthograptus thorsteinssoni Melchin 1987
urn:lsid:organismnames.com:name:615895
Microreference
200
†Orthograptus thorsteinssoni Melchin 1987
Names
1
Melchin 1987. Upper Ordovician graptolites from the Cape Phillips Formation, Canadian Arctic islands. Bulletin of the Geological Society of Denmark, 35(3-4) 1987: 191-202