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
Sphaeromorpha Sphaeromorpha moesica Nd Oligocene
Sphaeroporalites Sphaeroporalites Nd Nd
Sphaeroporalites Sphaeroporalites multiplex Nd Early Carboniferous
Sphaeroporalites Sphaeroporalites solus Nd Early Carboniferous
Spheripollenites Spheripollenites Nd Nd
Spheripollenites Spheripollenites balmei Nd Early Triassic
Spheripollenites Spheripollenites scissus Nd Permian
Spinasphaera Spinasphaera Nd Nd
Spinasphaera Spinasphaera robusta Nd Paleocene
Spiniferites Spiniferites Nd Nd
Spiniferites Spiniferites twistringiensis W.Germany Middle Miocene
Spongocystia Spongocystia Nd Nd
Spongocystia Spongocystia eraduica Nd Artinskian
Sporangites Sporangites Nd Nd
Sporangites Sporangites alaskensis Nd Early Cretaceous
Sporangites Sporangites arctica Nd Early Cretaceous
Sporangites Sporangites chicagoensis Nd Late Devonian