Nuclearia

Nuclearia is a nucleariid genus.

Species include:
 * Species ?Astrodisculus affinis Schouteden 1905
 * Species ?Astrodisculus araneiformis Schewiakoff 1893
 * Species ?Astrodisculus laciniatus Penard 1904 [Chlamydaster lacinatus (Penard 1904) Rainer 1968 ]
 * Species ?Astrodisculus marinus Kufferath 1952
 * Species ?Astrodisculus minutus Greeff 1869
 * Species ?Heliophrys variabilis
 * Species ?Nuclearina similis
 * Species ?N. amphizonellae Penard 1917
 * Species ?N. conspicua West 1903
 * Species ?N. delicatula Cienkowsky 1865
 * Species ?N. lohmanni Kufferath 1952
 * Species ?N. pseudotenelloides
 * Species N. flavescens (Greef 1869) Patterson 1984 [Astrodisculus flavescens Greeff 1869 ]
 * Species N. flavocapsulata (Greef 1869) Patterson 1984 [Astrodisculus flavocapsulata Greeff 1869 ; Astrodisculus penari Roskin 1929 ; Astrodisculus serratus Walton 1930 ; Heliosphaerium polyedricum Frenzel 1897 ]
 * Species N. leuckarti (Frenzel 1897) Patterson 1984 [Nuclearina leuckarti Frenzel 1897 ]
 * Species N. moebiusi Frenzel 1897
 * Species N. pattersoni Dyková et al. 2003
 * Species N. polypodia Schewiakoff 1863
 * Species N. radians (Greef 1869) Patterson 1984 [Astrodisculus radians Greeff 1869 sensu Penard 1904 non Stern 1924 ; Nucleosphaerium radians (Greef 1869) ; Nucleosphaerium tuckeri Cann & Page 1979 ; Heliosphaerium aster Frenzel 1897 ; Heliophrys varians West ]
 * Species N. simplex Cienkowsky 1865 [Nuclearella variabilis Frenzel 1897 ]
 * Species N. thermophila Yoshida, Nakayama & Inouye 2009
 * Species N. rubra (Greef 1869) Patterson 1984 [Astrodisculus rubra Greeff 1869 ; Astrodisculus zonatus Penard 1904 ; Nuclearia caulescens Penard 1903: pro parte ; Nuclearia zonatus (Penard 1904) Siemensma 1981 ]