Author:
Fensome,R.A.;Williams,G.L.;Barss,M.S.;Freeman,J.M.;Hill,J.M.
Year:
1990
Title:
Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa.
Reference:
Fensome,R.A. et al. (1990) Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. American Association of Stratigraphic Palynologists, Contributions Series # 25 P. 1- 771
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Genus Species Country(Region) From To
Veryhachium Veryhachium tetraxis Nd Late Oxfordian
Veryhachium Veryhachium thyrae Nd Ludlovian
Veryhachium Veryhachium timofeevii Nd Arenigian
Veryhachium Veryhachium tolontolum Nd Late Ludlovian Middle Siegenian
Veryhachium Veryhachium torrestionense Nd Ludlovian
Veryhachium Veryhachium trapezionarion Nd Wenlockian
Veryhachium Veryhachium triangulatum Nd Early Ashgillian
Veryhachium Veryhachium triqueter Nd Triassic
Veryhachium Veryhachium trisphaeridium Nd Wenlockian
Veryhachium Veryhachium trispininflatum Nd Middle Siegenian Emsian
Veryhachium Veryhachium trispinoramosum Nd Frasnian
Veryhachium Veryhachium trispinosoides Nd Permian Triassic
Veryhachium Veryhachium trispinosum Nd Silurian
Veryhachium Veryhachium trispinosum Nd Late Llandoverian
Veryhachium Veryhachium trispinosum Nd Wenlockian
Veryhachium Veryhachium trispinosum Nd Late Llandoverian
Veryhachium Veryhachium trispinosum Nd Late Ordovician