- Author:
- Rudavskaya,V.A.
- Year:
- 1969
- Title:
- Palaeozoic Hystrichospheres.
- Reference:
- Rudavskaya,V.A. (1969) Palaeozoic Hystrichospheres. Fossil Algae of the USSR,(T.F.Vozzhennikova) P. 163- 168
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Vulcanisphaera | Vulcanisphaera africana | Africa(Sahara) | Ordovician | |
| Cymatiosphaera | Cymatiosphaera celtica | Africa(Sahara) | Ordovician | |
| Cymatiosphaera | Cymatiosphaera bellicosa | Africa(Sahara) | Ordovician | |
| Veryhachium | Veryhachium | Baltic | Middle Cambrian | |
| Deunffia | Deunffia | Baltic | Middle Cambrian | |
| Paleopedicistus | Paleopedicistus rodeoensis | Canada | Devonian | |
| Anthatractus | Anthatractus insolitus | Canada | Devonian | |
| Deunffia | Deunffia brevispinosa | England | Silurian | |
| Domasia | Domasia elongata | England | Silurian | |
| Estiastra | Estiastra barbata | England | Silurian | |
| Aremoricanium | Aremoricanium rigaudiae | England | Silurian | |
| Membranilarnax | Membranilarnax | Europe | Mesozoic | |
| Pulvinosphaeridium | Pulvinosphaeridium | Europe | Silurian | |
| Estiastra | Estiastra | Europe | Silurian | |
| Membranilarnax | Membranilarnax pirus | France | Ordovician | |
| Baltisphaeridium | Baltisphaeridium lucidum | France | Ordovician | |
| Xanthidium | Xanthidium | Nd | Nd |