Family

Acanthograptidae Bulman, 1938

Selection of related publications
Kaljo, D. 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises. Graptolites of the USSR, pp. 31-36. Nauka.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Kaljo, D. (ed) 1970. The Silurian of Estonia. pp. 1-343. Valgus.
Bulman, O. M. B., Rickards, R. B. 1966. A Revision of Wiman's Dendroid and Tuboid Graptolites. Bulletin of the Geological Institutions of the University of Uppsala 43, 6-8, 1-72. University of Uppsala.
Skevington, D. 1963. Graptolites from the Ontikan Limestones (Ordovician) of Öland, Sweden. I: Dendroidea, Tuboidea, Camaroidea, and Stolonoidea. Bulletin of the 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.
Obut, A. M. 1953. Dendroidei severo-zapada Russkoj platformy. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 26-57. Gostoptehizdat.
List of species
8. Dictyonema balticum Obut et Rytzk, 1958 | Juuru Stage→Raikküla Stage
10. Dictyonema coalitum Obut, 1953 | Nabala Stage→Pirgu Stage
11. Dictyonema cotyledon Bulman, 1934 | Middle Ordovician
13. Dictyonema delicatulum Lapworth, 1881 | Ordovician→Silurian
15. Dictyonema donaticum Obut, 1953 | Jõhvi Substage
18. Dictyonema estonicum Obut, 1953 | Nabala Stage→Pirgu Stage
19. Dictyonema floriforme Obut, 1953 | Jõhvi Substage
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Classification
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
OrderDendroidea
FamilyAcanthograptidae
GenusAcanthograpsus
Coremagraptus
Dictyonema
Koremagraptus
Xylonograptus
FamilyDendrograptidae
Polygonograptidae
Ptilograptidae