Author:
Sarjeant,W.A.S.;Stancliffe,R.P.W.
Year:
1994
Title:
The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration.
Reference:
Sarjeant,W.A.S. et al. (1994) The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. Micropaleontology Vol. 40 # 1 P. 1- 77
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Genus Species Country(Region) From To
Dorsennidium Dorsennidium multiangulare USSR Early Ordovician
Dorsennidium Dorsennidium mutabile Sweden Late Cambrian
Dorsennidium Dorsennidium novum USSR(Siberia) Early Gothlandian
Dorsennidium Dorsennidium octospinosum Canada(Alberta) Late Devonian
Dorsennidium Dorsennidium oligospinoides USSR(Estonian SSR) Middle Ordovician Late Ordovician
Dorsennidium Dorsennidium parvum USSR Middle Cambrian
Dorsennidium Dorsennidium pastoris Tunisia Devonian
Dorsennidium Dorsennidium patulum Ohio Late Devonian
Dorsennidium Dorsennidium pertonense England Wenlockian
Dorsennidium Dorsennidium polyedricum France Middle Jurassic
Dorsennidium Dorsennidium polygonale USSR(Estonian SSR) Early Ordovician
Dorsennidium Dorsennidium primarium USSR(Lithuanian SSR) Early Cambrian
Dorsennidium Dorsennidium punctatum USSR(Estonian SSR) Middle Ordovician
Dorsennidium Dorsennidium pyriforme Canada Jurassic
Dorsennidium Dorsennidium quadratum Germany Permian
Dorsennidium Dorsennidium quadricorne USSR Middle Cambrian
Dorsennidium Dorsennidium raczii Spain Early Devonian