| details |
Triassic |
|
Canada(Arctic) |
Ford,J.H. Palynology of Triassic and Jurassic Field samples, cores and cuttings from the Sverdrup Basin of Arctic Canada |
1979 |
| details |
Thuringian |
|
Israel |
Horowitz,A. Species of the Veryhachium genus from the Permian to the Triassic from Southern Israel. |
1974 |
| details |
Scythian |
|
Canada(Arctic) |
Ford,J.H. Palynology of Upper Paleozoic and Lower Mesozoic field samples and cores from Ellesmere, Melville and adjacent Islands. |
1978 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
Nd |
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Middle Triassic |
|
Switzerland |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| original |
Middle Triassic |
|
Switzerland |
Brosius,M. et al. Middle Triassic Hystrichosphaerids from Salt wells Riburg 15 and 17, Switzerland. |
1961 |
| details |
Middle Triassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Triassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Triassic |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Middle Triassic |
|
Switzerland |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Late Scythian |
|
Canada(Arctic) |
Ford,J.H. Palynology of Triassic and Jurassic Field samples, cores and cuttings from the Sverdrup Basin of Arctic Canada |
1979 |
| details |
Late Scythian |
Early Anisian |
Canada(Arctic) |
Ford,J.H. Palynology of Upper Paleozoic and Lower Mesozoic field samples and cores from Ellesmere, Melville and adjacent Islands. |
1978 |