@article{ERMS:SourceID:300515, author = {Yonge, C. M.}, doi = {10.1098/rstb.1939.0005}, journal = {Philosophical Transactions of the Royal Society B: Biological Sciences}, issue = {566}, pages = {79-148}, title = {The Protobranchiate Mollusca; A Functional Interpretation of Their Structure and Evolution}, url = {http://marbef.org/data/aphia.php?p=sourcedetails&id=300515}, volume = {230}, year = {1939} }