Lexic.us

Definition of Crossopterygii

1. Noun. Fishes having paired fins resembling limbs and regarded as ancestral to amphibians.

Definition of Crossopterygii

1. n. pl. An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.

Lexicographical Neighbors of Crossopterygii

Literary usage of Crossopterygii

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

1. Fishes by David Starr Jordan (1907)
"... THE crossopterygii ! LASS Teleostomi.—We may unite the remaining groups of fishes into a single class, for which the name Teleostomi ..."

2. Geological Magazine by Henry Woodward (1900)
"But from what form of fin that was derived is a question to which paleontology gives us no answer, for the progenitors of the crossopterygii are as yet ..."

3. Science by American Association for the Advancement of Science (1919)
"... a distinctive designation; to indicate its similarity and relationship with the primitive Amphibia, this group, comprising the crossopterygii and the ..."

4. The American Naturalist by American Society of Naturalists, Essex Institute (1905)
"The crossopterygii differ from them in the lobate pectoral fin and in the larger ... They may probably be regarded as armored primitive crossopterygii, ..."

5. Text-book of Paleontology by Karl Alfred von Zittel (1902)
"In the crossopterygii ... remain cartilaginous in the Chondrostei, probably also in the fossil crossopterygii; in the remaining ..."

6. Zoology: An Elementary Text-book by Arthur Everett Shipley, Ernest William MacBride (1904)
"Sub-Order A. crossopterygii. The crossopterygii include only two living genera, ... In former geological periods, however, the crossopterygii constituted an ..."

7. Annals of the New York Academy of Sciences by New York Academy of Sciences (1916)
"... and to my mind is of great weight iu indicating the common origin of the Dipnoi and crossopterygii. Add to that the facts: that in both groups the ..."

Other Resources: