The family includes the genera
Dekayella (=Heterotrypa) from Cincinnati region: at University of Georgia.
Dekayella (=Heterotrypa) from Nashville region: at University of Georgia.
Dekayia from Cincinnati region: at University of Georgia.
Heterotrypa from Cincinnati region: at University of Georgia.
Heterotrypa from Nashville region: at University of Georgia.
Petigopora from Cincinnati region: at University of Georgia.
Petigopora from Nashville region: at University of Georgia.
Stigmatella from Cincinnati region: at University of Georgia.
Heterotrypa subfrondosa reconstructions at DryDredgers.org.