Species

Expansograptus constrictus (Hall, 1865)

Synonyymit

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

Aiheeseen liittyvät julkaisut

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.

Luokittelu

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

Levinneisyys ja viitteet

Kaljo, 1974 Adze 6 borehole Lower Ordovician
Bergström et al., 2004a Diabasbrottet quarry, Sweden Lower Ordovician