Classification of the genus Tetrentactinia
G. †Tetrentactinia Foreman 1963
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†Tetrentactinia barysphaera Foreman 1963
†Tetrentactinia gracilispinosa Foreman 1963
†Tetrentactinia incondita Nazarov 1973
†Tetrentactinia inopia Nazarov 1981
†Tetrentactinia puncticulosa Nazarov 1975
†Tetrentactinia quadrispinosa Foreman 1963
†Tetrentactinia somphosphaera Foreman 1963
†Tetrentactinia somphozona Foreman 1963
†Tetrentactinia spinulosa Kiessling and Tregelehn 1994
†Tetrentactinia spongacea Foreman 1963
†Tetrentactinia teuchestes Foreman 1963
Invalid names: Somphoentactinia Nazarov 1975 [synonym], Spongentactinella Nazarov 1975 [synonym]