Genus
Peiragraptus Strachan, 1954
Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Hemichordata |
Class | Pterobranchia |
Subclass | Graptolithina |
Order | Graptoloidea |
Suborder | Axonophora |
Infraorder | Diplograptina |
Subfamily | Peiragraptinae |
Genus | Amplexograptus |
Anticostia | |
Eoglyptograptus | |
Geniculograptus | |
Hustedograptus | |
Orthograptus | |
Paraorthograptus | |
Pararetiograptus | |
Peiragraptus | |
Rectograptus |