https://archive.org/details/cyathocrinitesfr357fres?view=theater&ui=embed&wrapper=false
Cyathocrinites from the Silurian (Wenlock) strata of southeastern Indiana : Frest, Terrence J :...
Three new species of Cyathocrinites are described from the Laurel Limestone-Waldron Shale succession in southeastern Indiana. The paleoecology of the species...
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