Abstract
IN 1883, Gill and Ryder1 stated that Eurypharynx (order Lyomeri) has six branchial clefts and five holobranchs, a feature found in some Selachians but never in Osteichthyes. However, the nature of this extra cleft and gill was uncertain, and the very fact of their presence was considered doubtful. Through the kindness of Dr. V. Tåning, of the Marine Laboratory, in Charlottenlund Slot, I received a number of specimens of Eurypharynx. All the Eurypharynx which I have examined invariably have six branchial clefts and five holobranchs.
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References
Gill, Th., and Ryder, J., Proc. U.S. Nat. Mus., 6 (1883).
Holmgren, N., Acta Zool., 27, 65 (1946).
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TCHERNAVIN, V. A Living Bony Fish which Differs Substantially from all Living and Fossil Osteichthyes. Nature 158, 667 (1946). https://doi.org/10.1038/158667a0
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DOI: https://doi.org/10.1038/158667a0
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