"Hystrichosphaeridium palmatum" (White, 1842, p.39-40, pl.4, fig.12) Downie and Sarjeant, 1965, p.121.
TYPE: Holotype: White, 1842, pl.4, fig.12. STATUS: Combination illegitimate - senior homonym: Hystrichosphaeridium palmatum Deflandre and Courteville, 1939. Substitute name: Hystrichosphaeridium duplum. HISTORY: Originally Xanthidium tubiferum var. palmatum (Appendix A), subsequently Xanthidium palmatum (Appendix A), thirdly Spiniferites palmatus, fourthly Cordosphaeridium palmatum, fifthly Hystrichosphaeridium palmatum (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: See Hystrichosphaeridium recurvatum for a full discussion. AGE: Senonian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |