The family includes the genera
Atactotoechus fruticosus; Bryozoans from the Wanakah Shale, Western NY at New York Paleontology. (Compiled by K. Wilson, from the State University of New York at Binghamton).
Leptotrypella amplectens; Bryozoans from the Wanakah Shale, Western NY at New York Paleontology. (Compiled by K. Wilson, from the State University of New York at Binghamton)
Atactopora from Cincinnati region: at University of Georgia.
Cyphotrypa from Cincinnati region: at University of Georgia.
Cyphotrypa from Nashville region: at University of Georgia.
Leptotrypa from Cincinnati region: at University of Georgia.
Orbignyella from Cincinnati region: at University of Georgia.
Orbignyella from Nashville region: at University of Georgia.
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