Template:Voigt & Gordon, 1995
- Voigt, E. & Gordon, D.P. 1995. Ascancestor and Confusocella - two new genera of cheilostomate Bryozoa from the Upper Cretaceous with transitional frontal-shield morphologies. Berliner Geowissenschaftliche Abhandlungen Reihe E Paläobiologie 16: 15–23.