Genus
Multitubus Skevington, 1963
Aiheeseen liittyvät julkaisut
Skevington, D. 1963. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. I: Dendroidea, Tuboidea, Camaroidea, and Stolonoidea. Bulletin of the Geological Institutions of the University of Uppsala 42, 1-62.
List of species
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Family | Cyclograptidae |
| Genus | Calycotubus |
| Conitubus | |
| Cyclograptus | |
| Dendrotubus | |
| Discograptus | |
| Dyadograptus | |
| Galeograptus | |
| Kozlowskitubus | |
| Multitubus | |
| Species | spinosus |
| Genus | Parvitubus |
| Reticulograptus |