Chiropteridium mespilanum
From dinoflaj3
"mespilanum" (Maier, 1959, p.306–307, pl.29, figs.5–6) Lentin and Williams, 1973, p.26. 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). Taxonomic junior synonym: Membranophoridium (subsequently Chiropteridium) partispinatum, according to Matsuoka and Bujak (1988, p.40). Age: middle Oligocene–middle Miocene.
Parent: Chiropteridium