Difference between revisions of "Acanthodiacrodium hamatum Appendix A"
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Revision as of 14:13, 2 December 2016
"hamatum" (Downie, 1958, p.335, pl.16, fig.1; text-figs.2j-k) Martin, 1973, p.32-33. Holotype: Downie, 1958, pl.16, fig.1. NOW Baltisphaeridium hamatum (Appendix A). Originally Hystrichosphaeridium hirsutoides var. hamatum, subsequently Baltisphaeridium hirsutoides var. hamatum (Appendix A), thirdly Micrhystridium hamatum (Appendix A), fourthly Acanthodiacrodium hamatum, fifthly (and now) Baltisphaeridium hamatum (Appendix A). Age: Early Ordovician.
Parent: Acanthodiacrodium_Appendix A