Cordosphaeridium subgenus Tarimocystium
CORDOSPHAERIDIUM subgenus TARIMOCYSTIUM He Chengquan, 1991, p.165,213-214. He Chengquan (1991, p.165) included the following species in this subgenus: Cordosphaeridium aulichnum, Cordosphaeridium brevispinum, Cordosphaeridium brevitubulosum, Cordosphaeridium crassum, and Cordosphaeridium operculatum. Citations for the above species are included under Cordosphaeridium. Type: He Chengquan, 1991, pl.13, fig.12; text-fig.39, as Cordosphaeridium (Tarimocystium) brevitubulosum.