Graptolithina

Isograptus Moberg, 1892

Selection of related publications
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