Taylor, P.D., Waeschenbach, A. & Florence, W.K. (2011) Phylogenetic position and systematics of the bryozoan Tennysonia: further evidence for convergence and plasticity in skeletal morphology among cyclostome bryozoans. Zootaxa, 3010 (1), 58–68.
https://doi.org/10.11646/zootaxa.3010.1.5