Peteinosphaeridium parvispinosum
- Citations total:
- 2
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| original | Middle Ordovician | Finland | Uutela,A. Age and dispersal of sedimentary erratics on the coast of southwestern Finland. | 1989 | |
| details | Middle Ordovician | Finland | Playford,G. et al. Ordovician acritarch genera Peteinosphaeridium, Liliosphaeridium and Cycloposphaeridium: Morphology, taxonomy, biostratigraphy and palaeogeographic significance | 1995 |