Palacanthus signum
- Citations total:
- 2
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| details | Early Frasnian | France(Pas-de-Calais) | Deunff,J. Preliminary observations on the paleophytoplankton of a cutting from Caffiers, (Givetien - Frasnien du Boulnnais, France). | 1981 | |
| details | Middle Devonian | France(Finistere) | Stancliffe,R.P.W. et al. The acritarch genus Dorsennidium, Wicander, 1974, emend.Sarjeant and Stancliffe,1994: A reassessment of its constituent species | 1996 |