Hystrichosphaeridium mespilanum
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"mespilanum" (Maier, 1959, p.306-307, pl.29, figs.5-6) Eisenack and Kjellström, 1975b, p.233-234. Holotype: Maier, 1959, pl.29, fig.5. Originally Galea (generic name illegitimate), subsequently Baltisphaeridium (Appendix A), thirdly Chiropteridium, fourthly Hystrichosphaeridium. Taxonomic senior synonym: Galea (now Chiropteridium) galea, according to Sarjeant (1983, p.108-109). Age: mid Oligocene-Mid Miocene.
Parent: Hystrichosphaeridium