Xanthidium tubiferum var. recurvatum Appendix A

"var. recurvatum" White, 1842, p.39, pl.4, fig.12.  Holotype: White, 1842, pl.4, fig.12.  NOW Hystrichosphaeridium recurvatum.  Originally Xanthidium tubiferum var. recurvatum, subsequently (and now) Hystrichosphaeridium recurvatum.  Nomenclatural junior synonyms: Xanthidium tubiferum var. palmaforme, Xanthidium tubiferum var. palmatum and Hystrichosphaeridium duplum, all of which have the same holotype as Xanthidium tubiferum var. recurvatum.  Age: Senonian. Parent: Xanthidium tubiferum