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Fossil collection records
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Classification of the order Sigmatosclerophorida
Or.
Sigmatosclerophorida
Burton 1956
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Fm. †
Dystactospongiidae
Miller 1889
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G. †
Dystactospongia
Miller 1882
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†
Dystactospongia madisonensis
Foerste 1909
G. †
Heterospongia
G. †
Loganiella
Rigby 1977
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†
Loganiella johnsoni
Rigby 1977
G. †
Streptospongia