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
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Ovum Ovum solidum Nd Silurian
Ozotobrachion Ozotobrachion Nd Nd
Ozotobrachion Ozotobrachion cylindros Nd Early Ludlovian
Ozotobrachion Ozotobrachion dactylos Nd Late Gedinnian
Ozotobrachion Ozotobrachion dicrus Nd Late Gedinnian
Ozotobrachion Ozotobrachion furcillatus Nd Middle Devonian
Ozotobrachion Ozotobrachion microdactylos Nd Early Gedinnian
Ozotobrachion Ozotobrachion palidodigitatus Nd Gedinnian Emsian
Ozotobrachion Ozotobrachion podolicus Nd Early Ludlovian
Ozotobrachion Ozotobrachion pulvinus Nd Late Gedinnian
Ozotobrachion Ozotobrachion triangular Nd Early Ludlovian
Pachysphaeridium Pachysphaeridium Nd Nd
Pachysphaeridium Pachysphaeridium pachyacanthum Nd Early Caradocian
Pachysphaeridium Pachysphaeridium robustum USSR(Estonian SSR) Early Caradocian
Palacanthus Palacanthus Nd Nd
Palacanthus Palacanthus acutus Nd Late Devonian
Palacanthus Palacanthus ledanoisii Nd Devonian