Dendroidea Nicholson, 1872

Selection of related publications
Maletz, J., Egenhoff, S. O. 2005. Dendroid graptolites in the Elnes Formation (Middle Ordovician), Oslo Region, Norway. Norwegian Journal of Geology 85, 3, 217-221.
Obut, A. M. & Sennikov, N. V. 1981. Polygonograptidae familia nova (systematics, stratigraphic and geographic distribution). Paleozoic West Siberian Plain and its mountain frame, pp. 75-81.
Kaljo, D. 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises. Graptolites of the USSR, pp. 31-36.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Kaljo, D. (ed) 1970. The Silurian of Estonia.
Bulman, O. M. B. & Rickards, R. B. 1966. A Revision of Wiman's Dendroid and Tuboid Graptolites. Bulletin of Geological Institutions of the University of Uppsala 43, 6-8, 1-72.
Skevington, D. 1963. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. I: Dendroidea, Tuboidea, Camaroidea, and Stolonoidea. Bulletin of Geological Institutions of the University of Uppsala 42, , 1-62.
Obut, A. & Rytzk, G. 1958. Ordovician and Silurian Dendroidea of Estonia. ENSV TA Geoloogia Instituudi uurimused III, 125-143. Eesti NSV Teaduste Akadeemia Geoloogia Instituudi Uurimused III, pp. 125-143.
Obut, A. M. 1953. Dendroid Graptolites of the north-west Russian Platform. Stratigraphy and fauna of the Ordovician and Silurian West Russian Platform, pp. 26-57.
Wiman, C. 1895. Über die Graptoliten. Bulletin of the Geological Institutions of the University of Uppsala 2, 4, 239-316.