Hystrichosphaeridium ramusculosum "var. ramusculosum". Autonym. Holotype: Deflandre, 1945a, pl.1, figs.8-10. NOW Multiplicisphaeridium ramusculosum var. ramusculosum (Appendix A). Originally Hystrichosphaeridium ramusculosum var. ramusculosum, subsequently Baltisphaeridium ramusculosum var. ramusculosum (Appendix A), thirdly Oppilatala ramusculosa var. ramusculosa (Appendix A), fourthly (and now) Multiplicisphaeridium ramusculosum var. ramusculosum.