%0 Journal Article %T Life in a tube: morphology of the ctenostome bryozoan Hypophorella expansa %A Andreas Wanninger %A Philipp Pr£¿ts %A Thomas Schwaha %J Archive of "Zoological Letters". %D 2019 %R 10.1186/s40851-019-0142-2 %X The online version of this article (10.1186/s40851-019-0142-2) contains supplementary material, which is available to authorized users %K Boring bryozoan %K Chaetopterus %K Gnawing apparatus %K Space balloons %K Walkerioidea %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6686267/