Graptolithina

Didymograptus acutus Ekström, 1937

Synonymy list
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
Selection of related publications
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Jaanusson, V. 1960. Graptoloids from the Ontikan and Viruan (Ordovician) limestones of Estonia and Sweden. Bulletin of Geological Institutions of the University of Uppsala 38, 289-366.
References based on distribution