Graptolithina
Genus

Hustedograptus Mitchell, 1987

https://files.geocollections.info/large/86/70/86705d2c-de02-458d-b582-1d9c264db6fe.jpghttps://files.geocollections.info/large/4f/ed/4fede719-db48-41a0-b88a-b3642f3d96af.jpghttps://files.geocollections.info/large/61/8b/618b1372-a357-4ff8-a7b9-c4b562cc5ee6.jpghttps://files.geocollections.info/large/e2/39/e239bbfa-82b3-48b1-993a-31957ae1be8b.jpg
Selection of related publications
Goldman, D., Nõlvak, J., Maletz, J. 2015. Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia. GFF 137, 3, 197-211. DOI:10.1080/11035897.2015.1021375
Suyarkova, A. A., Koren', T. N. 2009. Advances in the Ordovician graptolite biostratigraphy of the St Petersburg area, Russia. Estonian Journal of Earth Sciences 58, 1, 3-9. DOI:10.313176/earth.2009.1.01
Maletz, J. 1997. Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway. Greifswalder Geowissenschaftliche Beiträge 4, 5-98.
Jaanusson, V. 1960. Graptoloids from the Ontikan and Viruan (Ordov.) limestones of Estonia and Sweden. Bulletin of the Geological Institutions of the University of Uppsala 38, 289-366.
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References based on distribution