Baltisphaeridium mespilanum, (Maier, 1959), Sarjeant, 1964

Originally Galea (an illegitimate generic name), subsequently Baltisphaeridium, thirdly Chiropteridium, fourthly Hystrichosphaeridium.
Tax. jr. synonym of Galea (now Chiropteridium) galea Maier, 1959, according to Sarjeant, 1983.

Holotype: Maier, 1959, pl.29, fig.5
Age: Middle Oligocene-middle Miocene