- Lepisosteiformes by Great Soviet Encyclopedia
... ossified. The vertebrae of Lepisosteiformes, unlike those of all other fishes, are opisthocoelous, that is, convex in front and concave behind.Fossils of the order have been found in Europe in Cretaceous deposits and in North America and Asia (India) in Eocene deposits. Modern representatives comprise a single family, embracing the single genus Lepidosteus. REFERENCES ...
- Holostei by Great Soviet Encyclopedia
... orders, which were almost all extinct by the beginning of the Paleogene epoch. The modern Holostei include the order Cycloganoidei (with one species—the bowfin) and the order Lepisosteiformes (with several species).REFERENCEOsnovy paleontologii: Bescheliustnye, ryby.. Moscow, 1964.
- gar by Makayla Banks
... used for the gar but is more correctly applied to the saltwater gar (see needlefish ). Gars are classified in the phylum Chordata, subphylum Vertebrata, class Osteichthyes, order Lepisosteiformes, family Lepisosteidae.
- Actinopterygii by Juan Bryant
... sturgeons and paddlefishes), Lepisosteiformes (gars), Amiiformes (bowfins), and Teleostei (teleosts). Actinops are characterized by the presence of a single dorsal fin, an enclosed sensory canal in the dentary bone, a specialized tissue called ganoin, and several other anatomical characters. About 40% of living actinopterygian species live exclusively or almost exclusively ...
- Actinopterygii by Great Soviet Encyclopedia
... several species of the order Lepisosteiformes have survived to the present. The Holostei have a homocercal tail and an ossified internal skeleton; the scales are ganoid or bony (cycloid). Probably as early as the end of the Triassic the Teleostei became distinct from the Holostei; subsequently the Teleostei gave rise to all the various modern fishes.Another group of ...