Species
Paratetragraptus approximatus (Nicholson, 1873)
Synonymy list
1873 Tetragraptus approximatus — Nicholson , pp. 136, fig. 2
1904 Tetragraptus approximatus — Törnquist , pp. 6, fig. 1:11-12
1920 Tetragraptus approximatus — Keble , pp. 195, fig. 33:1a-c
2017 Paratetragraptus approximatus (Nicholson, 1873) — VandenBerg , pp. 43, fig. F. 2-3
Selection of related publications
Egenhoff, S., Maletz, J. 2007. Graptolites as indicators of maximum flooding surfaces in monotonous deep-water self successions. Palaios 22, 4, 373-383. DOI:10.2110/palo.2005.p05-096r
Kaljo, D. 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises. Graptolites of the USSR, pp. 31-36. Nauka.
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Hemichordata |
Class | Pterobranchia |
Subclass | Graptolithina |
Order | Graptoloidea |
Suborder | Dichograptina |
Family | Phyllograptidae |
Genus | Paratetragraptus |
Species | approximatus |
References based on distribution
- Kaljo, 1974 Lyubim 1 borehole, Jaroslavl oblast Lower Ordovician
- Kaljo, 1974 Lyubim 2 borehole, Jaroslavl oblast Lower Ordovician
- Egenhoff & Maletz, 2007 Diabasbrottet quarry, Sweden Lower Ordovician