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Veryhachium trispinosum ssp. geometricum
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General Images Stratigraphy Description Literature Notes
Year Author Title
Microfossiles des calcaires Siluriens de la Montagne Noire
Fichier micropaléontologique série 5. Dinoflagellés II. Gymnodiniales et dinoflagellés incertae sedis. Flagellés incertae sedis
On Paleozoic microfossils in clastic dykes on the Aland Islands and in the core samples of Lumparn.
A catalog and biostratigraphic distribution of North American Devonian acritarchs.

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