JURASSIC BRYOZOANS FROM BALTOW, POLAND 
101 
32 
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. 
hes 29-32 Apsendesia cristata Lamouroux, 1821. Scanning electron micrographs of uncoated specimens. 29-30, Oxfordian, Baltéw, Poland; 29, MUZ 
| 
herefore, caution should be exercised when inferring that fossil 
ryozoans with axial tubes grew attached to plants and therefore 
ndicate palaeoenvironments within the photic zone. 
CKNOWLEDGEMENTS. The British Council is thanked for providing U.H. 
ith the opportunity to visit and work at the NHM in London. 
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