Cymatiosphaera crucivelata
- Citations total:
- 1
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| original | Late Givetian | Early Frasnian | France(Boulonnais) | Le H©riss©,A. et al. Acritarches and Prasinophyte (Late Givetian-Middle Frasnian) of Ferques (Boulonnais, France). (In: The Devonian of Ferques Lower Boulonnais, (Northern France). D.Brice, editor) | 1988 |