Revision of the Trochamminacea and Remaneicacea of the Plymouth District, S.W. England, Described by Heron-Allen and Earland (1930) - Brönnimann, P.; Whittaker, J. E. (Paleoecology, Biostratigraphy, Paleoceanography and Taxonomy of Agglutinated Foraminifera, 1990)