- Author:
- Wood,G.D.;Miller,M.A.
- Year:
- 1991
- Title:
- Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay.
- Reference:
- Wood,G.D. et al. (1991) Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. Palynology Vol. 15 P. 181- 192
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Visbysphaera | Visbysphaera brevifurcata | Paraguay | Middle Llandoverian | |
| Visbysphaera | Visbysphaera microspinosa | Paraguay | Middle Llandoverian |