. Bulletin of the Natural Histort Museum. Geology series. JURASSIC BRYOZOANS FROM BALTOW. POLAND 101. i"igs 29-32 Apsendesia cristata Lamouroux, 1821. Scanning electron micrographs of uncoated specimens. 29-30. Oxfordian, Baitow. Poland: 29. MUZ PIG 1601/11/6, colony upper surface. X 15; 30. MUZ PIG 1601/II/7, colony underside, x 15. 31-32. BMNH D2327 (1), Bathonian. Ranville. Normandy, France; 31, struts on the underside of a colony, x 15: 32, gonozooid between fascicles of autozooidal apertures, x 35. rherefore, caution .should be exercised when inferring that fossil ^ryozoans with axia
. Bulletin of the Natural Histort Museum. Geology series. JURASSIC BRYOZOANS FROM BALTOW. POLAND 101. i"igs 29-32 Apsendesia cristata Lamouroux, 1821. Scanning electron micrographs of uncoated specimens. 29-30. Oxfordian, Baitow. Poland: 29. MUZ PIG 1601/11/6, colony upper surface. X 15; 30. MUZ PIG 1601/II/7, colony underside, x 15. 31-32. BMNH D2327 (1), Bathonian. Ranville. Normandy, France; 31, struts on the underside of a colony, x 15: 32, gonozooid between fascicles of autozooidal apertures, x 35. rherefore, caution .should be exercised when inferring that fossil ^ryozoans with axial tubes grew attached to plants and therefore ndicate palaeoenvironments within the photic zone. j^CKNOWLEDGEMENTS. The British Council is thanked for providing jvith the opportunity to visit and work at the NHM in London. REFERENCES j^lvarez, J. A. 1992. Sobre algunasespecies de la familia Lichenoporidae SmiU. 1866 (Bryozoa, Cycloslomida) en la regitVi Atlantico-Mediterranea. Parte I: genero Disporella Gray, 1848. Cahiers de Biolof;ie Marine, Roscoff, 33: 201-243. Barczyk, W. 1968. On some representatives of the genus Cmitiscus Dull (Brachiopoda) from Upper Jurassic of Baitow (Border of the Holy Cross Mountains in Poland). Prace Miceiim Ziemi. Warszawa, 12: 177-185. 1969. Upper Jurassic terebratulids from the Mesozoic Border of the Holy Cross Mountains in Poland. Prace Miizeum Ziemi, Warszawa, 14: 1-75. 1970. Some representatives of the family Thecideidae (Brachiopoda) from the Upper Jurassic of Poland. Acta Geologica Polonica. Warszawa, 20: 647-655. Bassler, R. S. 1935. Bryozoa. In Quenstedt, W. (ed.), Caralagus, 1: Animalia, Part 67, 229 pp. 's-Gravenhage. 1953. Bryozoa. In Moore, R. C. (ed.), Treatise im Invertel^rale Paleontology, Part G, xiv + 253 pp. New York & Lawrence. Bone, Y. & James, N. P. 1993. Bryozoans as carbonate sediment producers on the cool- water Lacepede Shelf, southern Australia. Sedimentary Geology, Amsterdam, 86: 247-271. Brochwi
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