liik
Metadictya bifurcata (Hall, 1883)
Sünonüümika
1860     Stictopora scalpellum Londsdale — Eichwald , lk. 390, joon. 24: 15 a-c
1883     Stictopora bifurcata sp. n. — Hall , lk. 267, joon. 13:3-4
1900     Rhinidictya? borkholmensis  — Wiman , lk. 180
1911     Pachydictya bifurcata (Hall) — Bassler , lk. 143, joon. text fig. 67, 68
1911     Stictopora scalpellum Eichwald (not Londsdale) — Bassler , lk. 142
1962     Pachydictya bifurcata (Hall) — Kiepura , lk. 407,408, joon. IX 2,3
1968     Hemipachydictya bifurcata (Hall) — Kopajevich , lk. 128
1984     Pachydictya bifurcata (Hall, 1883) — Spjeldnaes , lk. 25, joon. 7:1,6, text fig. 5A-B
1993     Metadictya bifurcata (Hall, 1883) — Gorjunova & Lavretjeva , lk. 14, 47, joon. text fig. 5a, 14a
Valik taksonit käsitlevast teaduskirjandusest
Gorjunova, R. V., Lavrentjeva, V. D. 1993. Morphology and system of the cryptostome bryozoans.  Transactions of the Paleontological Institute (PIN)   257,      1-151.  Nauka. 
Spjeldnaes, N. 1984. Upper Ordovician Bryozoans from Ojl Myr, Gotland, Sweden.  Bulletin of the Geological Institutions of the University of Uppsala   10,      1-66.
Kiepura, M. 1962. Bryozoa from the Ordovician erratic boulders of Poland.  Acta Palaeontologica Polonica   7,   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. 
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces.  Bulletin of the US National Museum   77,      1-382.
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Klassifikatsioon
| organismirühm | Biota | 
| riik | Animalia | 
| hõimkond | Bryozoa | 
| klass | Stenolaemata | 
| ülemselts | Palaeostomata | 
| selts | Cryptostomata | 
| alamsugukond | Rhinidictyinae | 
| perekond | Metadictya | 
| liik | ambigua | 
| bifurcata | |
| copiosa | |
| holmi | |
| lucida | |
| macropora | |
| porkuniensis | |
| reticulata | |
| singularis | |
| striatipora | |
| varia | 
Levik kirjandusandmetel
- Spjeldnaes, 1984a Öjle Myr, Gotland Hirnanti lade
 - Bassler, 1911b Kärdla paemurd
 - Bassler, 1911b Porkuni paemurd Porkuni lade
 - Kiepura, 1962
 - Gorjunova & Lavrentjeva, 1993 Graužai 105 puurauk 846 - 846