Graptolithina

Isograptidae Harris, 1933

Selection of related publications
Maletz, J., Ahlberg, P. 2021. Dapingian to lower Darriwilian (Middle Ordovician) graptolite biostratigraphy and correlation of the Krapperup drill core, Scania, Sweden. GFF 143, 1, 16-39. DOI:10.1080/11035897.2020.1822439
Maletz, J. 2011. Scandinavian Isograptids (Graptolithina, Isograptidae): Biostratigraphy and Taxonomy. Proceedings of the Yorkshire Geological Society 58, 4, 267-280. DOI:10.1144/pygs.58.4.295
Mitchell, C. E., Maletz, J. 1995. Proposal for adoption of the base of the Undulograptus austrodentatus Biozone as a global Ordovician stage and series boundary level. Lethaia 28, 4, 317-331. DOI:10.1111/j.1502-3931.1995.tb01822.x