Species
Tetragraptus quadribrachiatus (Hall, 1858)
Synonyymit
1858 Graptolithus quadribrachiatus — Hall , pp. 125
1865 Graptolithus quadribrachiatus — Hall , pp. 91-92, fig. 5:1-5; 6:5
1902 Tetragraptus quadribrachiatus (J. Hall) — Elles et Wood , pp. 57-58, fig. 5:1a-d
1904 Tetragraptus quadribrachiatus (J. Hall) — Ruedemann , pp. 645-647, fig. 2:1-4
1947 Tetragraptus quadribrachiatus (J. Hall) — Ruedemann , pp. 307-308, fig. 50:15-18
1960 Tetragraptus quadribrachiatus (J. Hall) — Berry , pp. 55-56, fig. 7:12
1963 Tetragraptus quadribrachiatus (J. Hall) — Ross et Berry , pp. 78-79, fig. 3:2
2000 Tetragraptus (Eotetragraptus) quadribrachiatus (Hall, 1858)) — Dean et al. , pp. 565
Aiheeseen liittyvät julkaisut
Suyarkova, A. A., Koren', T. N. 2009. Advances in the Ordovician graptolite biostratigraphy of the St Petersburg area, Russia. Estonian Journal of Earth Sciences 58, 1, 3-9. DOI:10.313176/earth.2009.1.01
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Tetragraptidae |
| Genus | Tetragraptus |
| Species | amii |
| askerensis | |
| astericus | |
| bigsbyi | |
| cor | |
| crucifer | |
| gracilis | |
| headi | |
| krapperupensis | |
| longus | |
| mobergi | |
| norvegicus | |
| phyllograptoides | |
| pseudobigsbyi | |
| quadribrachiatus | |
| reclinatus | |
| serra | |
| spinosus | |
| taraxacum | |
| toernquisti |
Levinneisyys ja viitteet
- Ulst et al., 1982 Tremadocian
- Suyarkova & Koren', 2009 Babino quarry Leningrad district Ordovician
- Suyarkova & Koren', 2009 Putilovo quarry, Leningrad Oblast Ordovician