Genus

Trigonodictya Ulrich, 1893

Aiheeseen liittyvät julkaisut

Ernst, A., Nakrem, H. A. 2011. Stenolaemate bryozoans from the Mjøsa Formation (Late Ordovician, Katian) of Helgøya (Mjøsa), southern Norway. Norwegian Journal of Geology 91, 3, 163-180.

Gorjunova, R. V., Lavrentjeva, V. D. 1993. Morphology and system of the cryptostome bryozoans. Transactions of the Paleontological Institute (PIN) 257, 1-151. Nauka.

Gorjunova, R. V. 1992. Morphology and system of Paleozoic bryozoans. Transactions of the Paleontological Institute (PIN) 251, 1-152. Nauka.

Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.

Kiepura, M. 1962. Bryozoa from the Ordovician erratic boulders of Poland. Acta Palaeontologica Polonica VII, 3-4, 347-428.

Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.

Toots, H. 1952. Bryozoen des estnischen Kuckersits. Mitt. Geol. Staatinst. Hamburg 21, 113-137.

Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.

Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521. R. Golike (former Ya. Ionsona).

List of species

1. Trigonodictya cyclostomoides (Eichwald, 1855) | Jõhvi Substage→Keila Stage

2. Trigonodictya elegans (Ulrich, 1893) | Kukruse Stage→Rakvere Stage

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Bryozoa
Class	Stenolaemata
Superorder	Palaeostomata
Order	Cryptostomata
Suborder	Ptilodictyina
Family	Ptilodictyidae
Subfamily	Virgatellinae
Genus	Athrophragma
	Oanduellina
	Pachydictya
	Stellatodictya
	Trigonodictya
Species	conciliatrix
	cyclostomoides
	elegans
Genus	Virgatella