| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Llandoverian | Canada(Nova Scotia) | Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 | |
| details | Ordovician | Nd | Servais,T. An annotated bibliographical review of Ordovician acritarchs | 1997 |