Zhongyuandinium elongatum ssp. elongatum

Autonym. Now redundant.
Taxonomic junior synonym: Zhongyuandinium elongatum subsp. latum, according to Mao Shaozhi et al. (1995, p.63,99).

Holotype: He Chengquan et al., 1989, pl.9, fig.1; text-fig.13
Age: Early Tertiary.