Baltisphaeridium lychneum Appendix A

"lychneum" (Maier, 1959, p.310, pl.30, fig.6) Sarjeant, 1964a, p.176.  Holotype: Maier, 1959, pl.30, fig.6.  Originally Galea (generic name illegitimate), subsequently Baltisphaeridium, thirdly Areoligera.  Taxonomic senior synonym: Hystrichosphaeridium (now Achomosphaera) alcicornu, according to Sarjeant (1983, p.100-101).  Downie and Sarjeant (1965, p.92) also proposed this combination.  Age: Miocene.

Parent: Baltisphaeridium