Lexic.us

Definition of Dipnoi

1. Noun. Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii.

Definition of Dipnoi

1. 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.

Medical Definition of Dipnoi

1. 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. Origin: NL, fr. Gr. With two breathing apertures; = twice + breath. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Dipnoi

Literary usage of Dipnoi

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of Zoology by Thomas Jeffery Parker, William Aitcheson Haswell (1921)
"The dipnoi. The dipnoi or Lung-fishes, comprising as their living representatives only ... One of their peculiar features is indicated by the name dipnoi. ..."

2. Text-book of Paleontology by Karl Alfred von Zittel (1902)
"The internal skeleton of the dipnoi is chiefly cartilaginous, but the upper ... The dipnoi differ so much from all fishes, in the modification of the air- ..."

3. A Manual of Palaeontology for the Use of Students with a General by Henry Alleyne Nicholson (1872)
"The order dipnoi is defined by the following characters -. ... Until lately the only known members of the order dipnoi were the Lepidosiren paradoxa of ..."

4. Elements of the Comparative Anatomy of Vertebrates by Robert Wiedersheim (1886)
"In Ceratodus, the lungs form a wide unpaired ~) sac, without any trace of a dividing septum, while in other dipnoi > they are distinctly paired posteriorly, ..."

5. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1892)
"view I would cite the absence of the maxillary arch in the dipnoi, ... The large development of the dorsal and anal fins in the dipnoi is not favorable to ..."

6. A Treatise on Comparative Embryology by Francis Maitland Balfour (1885)
"dipnoi. The excretory system of the dipnoi is only known in the adult, but though in some respects intermediate in character between that of the ..."

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