Subfamily
Isograptinae Harris, 1933
Aiheeseen liittyvät julkaisut
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
List of species
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Glossograptina |
| Family | Isograptidae |
| Subfamily | Arienigraptinae |
| Isograptinae | |
| Genus | Isograptus |
| Cardiograptus | |
| Oncograptus | |
| Parisograptus | |
| Proncograptus | |
| unranked | Procardiograptus |