Bion Appendix A

BION Lohmann, 1904, p.24.  Extant problematic plankton genus.  For a complete listing of acritarch species that have been included in the genus, see Fensome et al. (1990, p.620-621).

Species List:

"Bion baciferum Appendix A"
"Bion fluctuans Appendix A"
"Bion ramosum Appendix A"