Graptolithina
Genus

Glossograptus Emmons, 1855

Selection of related publications
Jaanusson, V., Strachan, I. 1954. Correlation of the Scandinavian Middle Ordovician with the graptolite succession. GFF 76, 4, 684-696. DOI:10.1080/11035895409453586
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References based on distribution