alamsugukond
Petalolithinae Bulman, 1955
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P., Suyarkova, A., Loydell, D. K. 2014. Silurian graptolite biostratigraphy of the Röstånga-1 drill core, Scania – a standard for southern Scandinavia.  GFF   136,   1,   175-178. DOI:10.1080/11035897.2013.865665
Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia.  Geological Magazine   147,   2,   253-280. DOI:10.1017/S0016756809990574
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia.  Geological Magazine   140,   2,   205-229. DOI:10.1017/S0016756802007264
Ulst, R. 1986. Osobennosti stroeniâ proksimpli u nekotoryh llandoverijskih graptolitov Latvii.  Biofacies and fauna of the Silurian and Devonian basins of the Baltic, pp. 22-24.   Zinatne. 
Ulst, R. Ž., Gailite, L. K., Springis, T. K. 1984. Lithostratigraphic subdivision of the subsurface Ordovician rocks of the Jelgeva Depression.  Stratigrafiâ drevnepaleozojskih otloženij Pribaltiki, pp. 63-76.   Eesti NSV Teaduste Akadeemia. 
Paškevičius, J. 1979. Biostratigraphy and Graptolites of the Lithuanian Silurian. pp. 1-267.  Mokslas. 
Kaljo, D., Vingisaar, P. 1969. On the sequence of the Raikküla stage in southernmost Estonia.  Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология   18,   3,   270-277. DOI:10.3176/chem.geol.1969.3.10
Gailite, L. K., Rybnikova, M. V., Ulst, R. Ž. 1967. Stratigrafiâ, fauna i usloviâ obrazovaniâ silurijskih porod Srednej Pribaltiki. pp. 1-304.  Zinatne. 
Leitud liigid
1. Cephalograptus cometa (Geinitz, 1852) | Llandovery
2. Comograptus barbatus (Elles et Wood, 1907) | Llandovery
3. Comograptus comatus Obut et Sobolevskaya, 1968 | Llandovery
4. Dimorphograptoides physopora (Nicholson, 1868) | Llandovery
5. Parapetalolithus altissimus (Elles et Wood, 1908) | Llandovery
8. Parapetalolithus kunkojensis (Paškevičius, 1979) | Llandovery
9. Parapetalolithus ovatus (Barrande, 1850) | Llandovery
11. Parapetalolithus schaueri (Loydell, 1991) | Silur
12. Parapetalolithus tenuis (Barrande, 1850) | Llandovery
13. Petalograptus parallelus Paškevičius, 1979 | Llandovery
15. Petalolithus folium (Hisinger, 1837) | Silur
16. Petalolithus intermedius Bouček et Přibyl, 1941 | Llandovery
17. Petalolithus minor (Elles, 1897) | Llandovery
18. Petalolithus ovatoelongatus (Kurck, 1881) | Silur
19. Petalolithus praecedens Bouček et Přibyl, 1941 | Llandovery
20. Petalolithus praecursor Bouček et Přibyl, 1941 | Silur
 Loading... 
Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Hemichordata | 
| klass | Pterobranchia | 
| alamklass | Graptolithina | 
| selts | Graptoloidea | 
| alamselts | Axonophora | 
| ülemsugukond | Retiolitoidea | 
| sugukond | Retiolitidae | 
| alamsugukond | Petalolithinae | 
| perekond | Agetograptus | 
| Cephalograptus | |
| Comograptus | |
| Dimorphograptoides | |
| Dischidograptus | |
| Dittograptus | |
| Hercograptus | |
| Parapetalolithus | |
| Petalograptus | |
| Petalolithus | |
| Pseudorthograptus | |
| Rivagraptus | |
| Spinadiplograptus | |
| Victorograptus | |
| alamsugukond | Plectograptinae | 
| Retiolitinae |