Pterospermopsimorpha inaequabilis
- Citations total:
- 1
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| details | Middle Cambrian | USSR(Baltic) | Aren,B. et al. The Baltic Syncline. (In: Stratigraphy of Upper Precambrian and Cambrian deposits on the western part of the East European Platform. B.M.Keller and A.Y.Rozanov, editors) | 1979 |