P. L.  Cook and Chimonides, P. J., ?Notes on the family Cupuladriidae (Bryozoa), and on Cupuladria remota sp. n. from the Marquesas Islands?, Zoologica Scripta, vol. 23, 1994.

J. D. D.  Bishop, ?The genera Cribrilina and Collarina (Bryozoa: Cheilostomatida) in the British Isles and the North Sea Basin, Pliocene to present day?, Zoologica Scripta, vol. 23, 1994.