Media type: E-Article Title: Ultrastructural observations on some marine choanoflagellates from the coast of Denmark Contributor: Leadbeater, Barry S.C. imprint: Informa UK Limited, 1972 Published in: British Phycological Journal Language: English DOI: 10.1080/00071617200650211 ISSN: 0007-1617 Origination: Footnote: