Difference between revisions of "Acanthodiacrodium tuberatum Appendix A"
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Latest revision as of 01:45, 1 September 2015
tuberatum (Downie, 1958, p.338, pl.17, fig.3; text-fig.3f) Martin, 1972, p.36. Holotype: Downie, 1958, pl.17, fig.3. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Acanthodiacrodium, fourthly Vulcanisphaera (Appendix A), fifthly Goniosphaeridium (Appendix A). W.A.S.Sarjeant (personal communication) has suggested that this species be retained in Acanthodiacrodium, pending re-examination of the type. Age: Early Ordovician.
Parent: Acanthodiacrodium
