Species

Didymograptus acutus Ekström, 1937

Synonyymit
1937     Didymograptus acutus n. sp. — Ekström , pp. 29, fig. 5:9-14
1951     Didymograptus acutus Ekström — Hede , pp. 52
1960     Didymograptus acutus Ekström, 1937 — Jaanusson , pp. 316-317, fig. 5:1
1970     Didymograptus acutus Ekström, 1937 — Skevington , pp. 423, fig. 5:1
Aiheeseen liittyvät julkaisut
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
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.