Difference between revisions of "Achomosphaera alcicornu subsp. columnaeformis"
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Revision as of 23:56, 31 August 2015
subsp. columnaeformis (Aristova, 1971, p.117-118, pl.1, fig.2) Lentin and Williams, 1989, p.3. Holotype: Aristova, 1971, pl.1, fig.2. Originally Achomosphaera alcicornu forma columnaeformis, subsequently (and now) Achomosphaera alcicornu subsp. columnaeformis. Age: Eocene.Achomosphaera alcicornu
