Sepispinula "?regulatum" (Zhou Heyi, 1985, p.7, pl.1, figs.16–17,19–21) Masure in Fauconnier and Masure, 2004, p.499. Holotype: Zhou Heyi, 1985, pl.1, fig.16. NOW Cleistosphaeridium. Originally (and now) Cleistosphaeridium, subsequently Impletosphaeridium, thirdly Sepispinula?. Questionable assignment: Masure in Fauconnier and Masure (2004, p.499). Age: middle Oligocene.