details |
Carboniferous |
|
France(Jura) |
Navale,G.K.B. Coal- A palyno-petrographic approach. |
1963 |
details |
Late Carnian |
|
Maryland |
Cornet,B. et al. Early to Middle Carnian (Triassic) flora and fauna of the Richmond and Taylorsville Basins, Virginia and Maryland, USA. |
1990 |
details |
Middle Carnian |
Hettangian |
USA |
Olsen,P.E. et al. The Triassic/Jurassic boundary in Continental rocks of eastern North America; a progress report. (In: Global catastrophes in earth history; An interdiciplinary conference on impacts, volcanism and mass mortality. V.L.Sharton et al, editors) |
1990 |