"Xanthidium palmatum" (White, 1842, p.39-40, pl.4, fig.12) Bronn, 1848, p.1375.
TYPE: Holotype: White, 1842, pl.4, fig.12. HISTORY: Originally Xanthidium tubiferum var. palmatum (Appendix A), subsequently Xanthidium palmatum, thirdly Spiniferites palmatus, fourthly Cordosphaeridium palmatum, fifthly Hystrichosphaeridium recurvatum (combination illegitimate), sixthly Hystrichosphaeridium duplum (name illegitimate). SYNONYM(S): Nomenclatural senior synonym: Xanthidium tubiferum var. recurvatum (as Hystrichosphaeridium recurvatum), which has the same holotype. Nomenclatural junior synonyms: Xanthidium tubiferum var. palmaforme and Hystrichosphaeridium duplum, both of which have the same holotype as Hystrichosphaeridium palmatum. COMMENTS: This is not an illegitimate combination. See Hystrichosphaeridium recurvatum for a full discussion. AGE: Senonian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |