| details |
Late Cretaceous |
|
Iowa |
Potter,D.E. An emendation of the sporomorph Arcellites Miner,1935 |
1963 |
| details |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| details |
Late Ryazanian |
Early Valanginian |
England(Sussex) |
Batten,D.J. Palynofacies and salinity in the Purbeck and Wealden of Southern England. (In: Aspects of Micropalaeontology. F.T.Banner et al, editors) |
1982 |
| details |
Middle Valanginian |
Hauterivian |
Poland |
Waksmundzka,M. Lower Cretaceous megaspores from northern Poland. |
1982 |
| details |
Late Ryazanian |
Valanginian |
England(Sussex) |
Batten,D.J. Palynofacies and salinity in the Purbeck and Wealden of Southern England. (In: Aspects of Micropalaeontology. F.T.Banner et al, editors) |
1982 |
| details |
Barremian |
Aptian |
Virginia |
Hueber,F.M. Megaspores and a palynomorph from the Lower Potomac Group in Virginia. |
1982 |
| details |
Barremian |
Aptian |
China(Inner Mongolia) |
Li,W.B. et al. The Early Cretaceous megaspore Arcellites and closely associated Crybelosporites microspores from northeast Inner Mongolia, P.R.China. |
1986 |
| details |
Berriasian |
Santonian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Berriasian |
|
Netherlands |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Mesozoic |
|
Nd |
Kovach,W.L. A review of Mesozoic megaspore-ultrastructure. (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |