J. D. D.  Bishop and Househam, B. C., ?Puellina (Bryozoa; Cheilostomatida; Cribrilinidae) from British and adjacent waters?, Bulletin of the British Museum (Natural History), Zoology series, vol. 53, 1987.

J. D. D.  Bishop, ?Type and figured material from the 'Pliocene Bryozoa of the Low Countries' (Lagaaij, 1952) in the collection of the the Royal Belgian Institute of Natural Sciences?, Institute Royal des Sciences Naturelles de Belgique, Documents de Travail, vol. 37, 1987.