Zhongyuandinium elongatum subsp. elongatum
From dinoflaj2
"subsp. elongatum". Autonym. Holotype: He Chengquan et al., 1989, pl.9, fig.1; text-fig.13. Now redundant. Taxonomic junior synonym: Zhongyuandinium elongatum subsp. latum, according to Mao Shaozhi et al. (1995, p.63,99). Parent: Zhongyuandinium elongatum