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Oligosphaeridium speciale
Oligosphaeridium speciale Xu Jinli et al., 1997, p.83–84, pl.14, fig.2 ex He Chengquan et al., 2009, p.658.
Holotype: Xu Jinli et al., 1997, pl.14, fig.2. This name was not validly published in Xu Jinli et al. (1997), since no English or Latin description was provided; He Chengquan et al. (2009, p.658) validated the name by publishing an English diagnosis. Age: middle-late Eocene.
Holotype: Xu Jinli et al., 1997, pl.14, fig.2. This name was not validly published in Xu Jinli et al. (1997), since no English or Latin description was provided; He Chengquan et al. (2009, p.658) validated the name by publishing an English diagnosis. Age: middle-late Eocene.