Pterospermella chiquitina
- Citations total:
- 3
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| details | Middle Siegenian | Emsian | Spain | Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. | 1973 |
| details | Late Emsian | Spain | Cramer,F.H. et al. Acritarchs from the La Vid Shales (Emsian to Lower Couvinian) at Colle, Leon, Spain. | 1976 | |
| details | Middle Siegenian | Emsian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |