Species
Petalolithus intermedius Bouček et Přibyl, 1941
Aiheeseen liittyvät julkaisut
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304. Zinatne.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Axonophora |
| Superfamily | Retiolitoidea |
| Family | Retiolitidae |
| Subfamily | Petalolithinae |
| Genus | Petalolithus |
| Species | dubovikovi |
| folium | |
| intermedius | |
| minor | |
| ovatoelongatus | |
| praecedens | |
| praecursor | |
| tenuis |
Levinneisyys ja viitteet
- Gailite et al., 1967 Engure 4 borehole Llandovery
- Gailite et al., 1967 Remte 3 borehole Llandovery
- Gailite et al., 1967 Sturi puurauk Llandovery