Dipnoi is a 6 letter word which starts with the letter D and ends with the letter I for which we found 1 definitions.
Definition |
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(n. pl.) A group of ganoid fishes including the living genera Ceratodus and Lepidosiren which present the closest approximation to the Amphibia. The air bladder acts as a lung and the nostrils open inside the mouth. See Ceratodus and Illustration in Appendix. |