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

1. Acanthograptus divergens Skevington, 1963 | Middle Ordovician

2. Acanthograptus impar Bulman et Rickards, 1966 | Upper Ordovician

3. Acanthograptus musciformis (Wiman, 1901) | Upper Ordovician

4. Acanthograptus roomusoksi Obut et Rytzk, 1958 | Upper Ordovician

5. Acanthograptus suecicus (Wiman, 1895)

6. Dictyonema alichovae Obut, 1953 | Ordovician

7. Dictyonema aluvereum Obut et Rytzk, 1958 | Jõhvi Substage

8. Dictyonema balticum Obut et Rytzk, 1958 | Juuru Stage→Raikküla Stage

9. Dictyonema cavernosum Wiman, 1896 | Ordovician

10. Dictyonema coalitum Obut, 1953 | Nabala Stage→Pirgu Stage

11. Dictyonema cotyledon Bulman, 1934 | Middle Ordovician

12. Dictyonema crassibasale Gurley, 1909 | Jaani Stage

13. Dictyonema delicatulum Lapworth, 1881 | Ordovician→Silurian

14. Dictyonema desmoides Gurley, 1909 | Silurian

15. Dictyonema donaticum Obut, 1953 | Jõhvi Substage

16. Dictyonema elegans Bulman, 1928

17. Dictyonema estlandicum Bulman, 1934 | Ordovician

18. Dictyonema estonicum Obut, 1953 | Nabala Stage→Pirgu Stage

19. Dictyonema floriforme Obut, 1953 | Jõhvi Substage

20. Dictyonema graptolithinum Kjerulf, 1865 | Tremadocian

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Hemichordata
Class	Pterobranchia
Subclass	Graptolithina
Order	Dendroidea
Family	Acanthograptidae
Genus	Acanthograpsus
	Coremagraptus
	Dictyonema
	Koremagraptus
	Xylonograptus
Family	Dendrograptidae
	Polygonograptidae
	Ptilograptidae