Songiella brachypoda Xu Jinli et al., 1997, p.58–59, pl.2, figs.5a–b ex He Chengquan et al., 2009, p.366–367,665. Holotype: Xu Jinli et al., 1997, pl.2, figs.5a–b. 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.665) validated the name by publishing an English diagnosis. Age: middle-late Eocene.