Species
Expansograptus constrictus (Hall, 1865)
Synonymy list
1865 Graptolithus constrictus — Hall , pp. 76, fig. 1:23-27
1904 Didymograptus constrictus — Törnquist , pp. 17, fig. 2:13-17
1904 Didymograptus constrictus — Ruedemann , pp. 585, 668
1936 Didymograptus constrictus — Monsen , pp. 101-102
1947 Didymograptus constrictus (Hall) — Ruedemann , pp. 329, fig. 56:20
2004 Expansograptus constrictus — Bergström et al. , pp. 268
Selection of related publications
Bergström, S. M., Löfgren, A., Maletz, J. 2004. The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden. Episodes 27, 4, 265-272.
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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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Dichograptina |
| Family | Didymograptidae |
| Genus | Expansograptus |
| Species | abditus |
| constrictus | |
| distinctus | |
| hirundo | |
| holmi | |
| latus | |
| praenuntius | |
| suecicus | |
| uniformis | |
| urbanus |
References based on distribution
- Kaljo, 1974 Adze 6 borehole Lower Ordovician
- Bergström et al., 2004a Diabasbrottet quarry, Sweden Lower Ordovician