| details |
Griesbachian |
|
Canada(Arctic) |
Ford,J.H. Palynology of 75 Mesozoic Field samples from the Sverdrup Basin of Arctic Canada |
1980 |
| details |
Late Leonardian |
|
Utah |
Jacobson,S.R. et al. Acritarchs from the Phosphoria and Park City Formations, (Permian, northeastern Utah). |
1982 |
| details |
Permian |
|
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Anisian |
Carnian |
India(Uttar Pradesh) |
Kumar,V.S. et al. A Middle to Late Triassic palynoflora from the Kalapani Limestone Formation, Malla Johar area Tethys Himalaya, India. |
1988 |
| details |
Early Triassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Turonian |
Early Campanian |
Canada(Arctic) |
Nкбez-Betelu,L.K. et al. Preliminary Paleopalynology of the Kanguk Formation, (Upper Cretaceous), Remus Creek, Canadian Arctic Archipelago; 1. Marine palynomorphs. |
1992 |
| details |
Early Triassic |
|
Canada(British Columbia) |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |