perekond
Gymnograptus Bulman, 1953
Valik taksonit käsitlevast teaduskirjandusest
Maletz, J., Ahlberg, P., Lundberg, F. 2020. Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden).  GFF   142,   3,   206-222. DOI:10.1080/11035897.2020.1739743
Goldman, D., Nõlvak, J., Maletz, J. 2015. Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia.  GFF   137,   3,   197-211. DOI:10.1080/11035897.2015.1021375
Männil, Ralf 1976. Distribution of graptoloids in the Ordovician carbonate rocks of the East Baltic area.  Graptolites and Stratigraphy, pp. 105-118.   Academy of Sciences of Estonian SSR. Institut of Geology. 
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346.  Valgus. 
Obut, A. M. 1960. Correlation of some parts of  Estonian Ordovician and Silurian deposits according to graptolites.  ENSV TA Geoloogia Instituudi Uurimused   V,      143-157.
Jaanusson, V. 1960. Graptoloids from the Ontikan and Viruan (Ordov.) limestones of Estonia and Sweden.  Bulletin of the Geological Institutions of the University of Uppsala   38,      289-366.
Leitud liigid
1. Gymnograptus ejuncidus (Berry, 1964) | Darriwili lade
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Hemichordata | 
| klass | Pterobranchia | 
| alamklass | Graptolithina | 
| selts | Graptoloidea | 
| alamselts | Axonophora | 
| infraselts | Neograptina | 
| sugukond | Dimorphograptidae | 
| Normalograptidae | |
| perekond | Gymnograptus | 
| liik | ejuncidus | 
| linnarssoni | |
| perekond | Haddingograptus | 
| Oelandograptus | |
| Proclimacograptus | |
| Prolasiograptus | |
| Reteograptus | |
| Undulograptus |