Definitions for osteichthyes
This page provides all possible meanings and translations of the word osteichthyes
Osteichthyes, class Osteichthyes(noun)
a class of fish having a skeleton composed of bone in addition to cartilage
Osteichthyes, also called bony fish, are a taxonomic group of fish that have bone, as opposed to cartilaginous, skeletons. The vast majority of fish are osteichthyes, which is an extremely diverse and abundant group consisting of 45 orders, and over 435 families and 28,000 species. It is the largest class of vertebrates in existence today. Osteichthyes is divided into the ray-finned fish and lobe-finned fish. The oldest known fossils of bony fish are about 420 million years ago, which are also transitional fossils, showing a tooth pattern that is in between the tooth rows of sharks and bony fishes.
Images & Illustrations of osteichthyes
Find a translation for the osteichthyes definition in other languages:
Select another language:
Discuss these osteichthyes definitions with the community:
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Use the citation below to add this definition to your bibliography:
"osteichthyes." Definitions.net. STANDS4 LLC, 2015. Web. 25 Nov. 2015. <http://www.definitions.net/definition/osteichthyes>.