The ear of the Cyclostomata has until recently been considered so peculiar as to render it difficult to explain its relations to the typical Vertebrate ear. Then again, the diversity of structure in the auditory organ of the Cyclostomes themselves renders the task of homologizing the various parts somewhat uninviting.
Proceedings of the Iowa Academy of Sciences
©1895 Iowa Academy of Science, Inc.
Norris, H. W.
"Homologies of the Cyclostome Ear,"
Proceedings of the Iowa Academy of Science, 3(1), 29-31.
Available at: https://scholarworks.uni.edu/pias/vol3/iss1/7