Author:
Wicander,R.;Wood,G.D.
Year:
1981
Title:
Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA.
Reference:
Wicander,R. et al. (1981) Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. American Association of Stratigraphic Palynologists, Contributions Series # 8 P. 1- 137
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Genus Species Country(Region) From To
Veryhachium Veryhachium reductum Ohio Givetian
Veryhachium Veryhachium reductum Ohio Givetian
Veryhachium Veryhachium reductum Ohio Givetian
Veryhachium Veryhachium reductum Ohio Givetian
Veryhachium Veryhachium roscidum Ohio Givetian
Veryhachium Veryhachium sp Ohio Givetian
Veryhachium Veryhachium sp Ohio Givetian
Veryhachium Veryhachium sp. Brit.,1965 sp. nov. Ohio Givetian
Veryhachium Veryhachium sp. Brit.,1967 sp. nov. Ohio Givetian
Veryhachium Veryhachium sp. Wica.& Scho.,1974 sp. nov. Ohio Givetian
Veryhachium Veryhachium sp.1 Lega.,1973 sp. nov. Ohio Givetian
Veryhachium Veryhachium tetraedron Ohio Givetian
Veryhachium Veryhachium trispinosum Ohio Givetian
Veryhachium Veryhachium trispinosum Ohio Givetian
Veryhachium Veryhachium valiente Ohio Givetian
Villosacapsula Villosacapsula rosendae Ohio Givetian