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Appendix A

Xanthidium crassipes

"Xanthidium crassipes" Reade, 1839, pl.9, figs.2-5.

EMENDATION: Lejeune-Carpentier and Sarjeant, 1981, p.10, as Hystrichokolpoma? crassipes.

TYPE: Holotype: Reade, 1839, pl.9, fig.2, lost according to Lejeune-Carpentier and Sarjeant (1981, p.11). Neotype: Lejeune-Carpentier, 1941, fig.9; Lejeune-Carpentier and Sarjeant, 1981, pl.3, fig.3; text-fig.6; designated by Lejeune-Carpentier and Sarjeant (1981, p.11).

HISTORY: NOW: Hystrichokolpoma. Originally Xanthidium, subsequently Hystrichosphaeridium, thirdly Litosphaeridium?, fourthly (and now) Hystrichokolpoma.

SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeridium (as Pervosphaeridium, now Raetiaedinium, by implication in Yun Hyesu (1981, p.27), who considered Pervosphaeridium truncigerum to be the senior name - however, Lentin and Williams (1985, p.282) retained Pervosphaeridium truncigerum.

AGE: Late Cretaceous.


Infraspecific taxa:


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DINOFLAJ (c) 1998