The origin of ascophoran bryozoans was historically contingent but likely by Matthew H. Dick, Scott Lidgard, Dennis P. Gordon, and Shunsuke F. Mawatari Proceedings B Volume 276(1670): September 7, 2009 ©2009 by The Royal Society
Morphology of zooids of inferred primitive and derived (cribrimorph) Cauloramphus species. Matthew H. Dick et al. Proc. R. Soc. B 2009;276: ©2009 by The Royal Society
NJ tree based on the analysis of a 658 bp fragment of the COI gene using LogDet distances, with third-codon positions omitted. Matthew H. Dick et al. Proc. R. Soc. B 2009;276: ©2009 by The Royal Society
Stepwise morphological stages in the transition from a spiny anascan to an ascophoran cribrimorph. Matthew H. Dick et al. Proc. R. Soc. B 2009;276: ©2009 by The Royal Society