Family
Isograptidae 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
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
List of species
1. Arienigraptus balticus Maletz & Ahlberg, 2021 | Darriwilian
2. Arienigraptus delicatus Maletz & Ahlberg, 2021 | Darriwilian
4. Arienigraptus zheijangensis Yu et Fang, 1981 | Darriwilian
5. Isograptus mobergi Maletz, 2011 | Dapingian
8. Pseudisograptus angel Jenkins, 1982 | Ordovician
9. Pseudisograptus janus (Cooper et Ni, 1986) | Darriwilian
10. Pseudisograptus koi Cooper & Ni, 1986 | Darriwilian
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Glossograptina |
| Family | Glossograptidae |
| Isograptidae | |
| Subfamily | Arienigraptinae |
| Isograptinae | |
| Genus | Cardiograptus |
| Oncograptus | |
| Parisograptus | |
| Proncograptus | |
| unranked | Procardiograptus |