IRMNG Taxon list
Heliosphaeridium M. Moczydlowska, 1991 †Heliosphaeridium bellulum Moczydlowska, 1998 †Heliosphaeridium coniferum (Downie, 1982) Moczydlowska, 1991 †Heliosphaeridium dissimilare (Volkova, 1969) Moczydlowska, 1991 †Heliosphaeridium exile Moczydlowska, 1998 †Heliosphaeridium lanceolatum (Vanguestaine, 1974) Moczydlowska, 1998 †Heliosphaeridium llynense Martin in Young, Martin, Dean & Rushton, 1994 †Heliosphaeridium longum (Moczydlowska, 1988) Moczydlowska, 1998 †Heliosphaeridium lubomlense (Kiryanov, 1974) Moczydlowska, 1998 †Heliosphaeridium nodosum Moczydlowska, 1998 †Heliosphaeridium notatum (Volkova, 1969) Moczydlowska, 1991 †Heliosphaeridium obscurum (Volkova, 1969) Moczydlowska, 1991 †Heliosphaeridium oligum (Jankauskas in Jankauskas & Posti, 1976) Moczydlowska, 1998 †Heliosphaeridium radzynicum (Volkova in Volkova et al., 1979) Moczydlowska, 1991 †Heliosphaeridium serridentatum Moczydlowska, 1998 †
