| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Nd | Nd | Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. | 1968 | |
| details | Carboniferous | Poland | Jachowicz,A. Flora of the Carboniferous:Microflora | 1972 |