- Author:
- Deflandre,G.
- Year:
- 1947
- Title:
- The problem of Hystrichospheres.
- Foreign title:
- Le probleme des Hystrichospheres.
- Reference:
- Deflandre,G. (1947) The problem of Hystrichospheres. [ Le probleme des Hystrichospheres. ] Institut Oceanographique,(Monaco),Bulletin Vol. 44 # 918 P. 1- 23
- Google Academy:
- try to search by title in english or foreign title
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Xanthidium | Xanthidium furcatum | Nd | Nd | |
| Xanthidium | Xanthidium ramosum | Nd | Nd | |
| Cannosphaeropsis | Cannosphaeropsis utinensis | Nd | Cretaceous | |
| Cannosphaeropsis | Cannosphaeropsis philippotii | Nd | Cretaceous | |
| Cannosphaeropsis | Cannosphaeropsis caulleryi | Nd | Jurassic | |
| Cannosphaeropsis | Cannosphaeropsis aemula | Nd | Jurassic | |
| Hystrichosphaeridium | Hystrichosphaeridium hirsutum | Nd | Oxfordian | |
| Micrhystridium | Micrhystridium tenuissimum | Nd | Carboniferous |