Atactotoechidae Duncan, 1939

The family includes the genera

1. Anomalotoechus
2. Atactopora
3. Atactotoechus
4. Cyphotrypa
5. Leptotrypa
6. Leptotrypella
7. Loxophragma
8. Multiphragma
9. Orbignyella
10. Paratrachytoechus
11. Polyspinopora
12. Pycnobasis
13. Schulgina
14. Sinoatactotoechus
15. Triplopora

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.