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Middle Devonian (Givetian) megaspores from Belgium (Ronquières) and Libya (A1-69 borehole)
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Revision of the Devonian-Carboniferous Boundary in Belgium and surrounding areas: a scenario
Assessment on the Late Devonian fauna of Strud, Belgium
Devonian and Carboniferous dendroid graptolites from Belgium and their significance for the taxonomy of the Dendroidea