IRMNG Taxon list
Stictosphaeridium B.V. Timofeev, 1962 †uncertain )Stictosphaeridium B.V. Timofeev, 1966 †Stictosphaeridium concentricum Timofeev, 1973 †Stictosphaeridium crassum Piskun, 1976 †Stictosphaeridium gracile Piskun, 1976 †Stictosphaeridium implexum Timofeev, 1966 †Stictosphaeridium incrassatum Piskun, 1976 †Stictosphaeridium pectinale Timofeev, 1966 †Stictosphaeridium podolense Timofeev, 1962 ex Fensome et al., 1990 †Stictosphaeridium rugosum Yin, 1984 †Stictosphaeridium scabrosum Luo & Shu in Luo et al., 1981 †Stictosphaeridium sibiricum Rudavskaya & Timofeev, 1963 ex Timofeev †Stictosphaeridium sinapticuliferum Timofeev, 1966 †Stictosphaeridium tortulosum Timofeev, 1966 †Stictosphaeridium undatum Piskun, 1976 †Stictosphaeridium verrucatum Vidal, 1976 †
