Classification of the genus Spongosphaera
G. Spongosphaera Ehrenberg 1847
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†Spongosphaera crasseptata Wang 2012
Spongosphaera polyacantha Müller 1858
Spongosphaera streptacantha Haeckel 1861
Invalid names: Spongatractus Haeckel 1887 [objective synonym], Spongosphaera induta Rüst 1892 [nomen dubium], Spongosphaera tritestacea Rothpletz 1880 [nomen dubium]