Cyathochitina clepsydra
- Citations total:
- 3
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| original | Arenigian | USSR(Estonian SSR) | Grahn,Y. Ordovician chitinozoa from Tallinn, Norther Estonia. | 1984 | |
| details | Nd | Nd | Zhemchuzhnikov,V.G. et al. The position of the Dzhanytas series in the Lesser Karatau section in connection with the discovery of chitinozoans | 1989 | |
| details | Arenigian | Poland | Nolvak,J. et al. Ordovician chitinozoan zones from Baltoscandia | 1993 |