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Distatodinium biornatum
Distatodinium? biornatum (He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989) Lentin and Williams, 1993
NOW Songiella. Originally Bipolaribucina?, subsequently Distatodinium, thirdly (and now) Songiella. Questionable assignment: Lentin and Williams (1993, p.197).
Taxonomic senior synonym: Membranilarnacia paucitubata, according to Mao Shaozhi et al. (1995, p.44) — however, He Chengquan et al. (2009, p.366) retained this species as Songiella biornata.
Holotype: He Chengquan et al., 1989, pl.22, fig.18
Age: Early Tertiary
NOW Songiella. Originally Bipolaribucina?, subsequently Distatodinium, thirdly (and now) Songiella. Questionable assignment: Lentin and Williams (1993, p.197).
Taxonomic senior synonym: Membranilarnacia paucitubata, according to Mao Shaozhi et al. (1995, p.44) — however, He Chengquan et al. (2009, p.366) retained this species as Songiella biornata.
Holotype: He Chengquan et al., 1989, pl.22, fig.18
Age: Early Tertiary