
Osteichthyes - Wikipedia
Osteichthyes (/ ˌɒstiːˈɪkθiːz / ost-ee-IK-theez; from Ancient Greek ὀστέον (ostéon) 'bone' and ἰχθύς (ikhthús) 'fish'), [2] also known as osteichthyans or commonly referred to as the bony fish, is a …
Osteichthyes - New World Encyclopedia
Osteichthyes, known as the bony fish, are a taxonomic class (or superclass) of fish and the largest class of vertebrates in existence today. With over 26,000 species, they comprise over 95 percent of all fish …
GEOL431 - Vertebrate Paleobiology - UMD
Definition: The last common ancestor of Actinopterygii (ray-finned fish) and Sarcopterygii (lobe-finned fish). Osteichthyes weren't the first vertebrates with bone, but they developed and used it in novel …
Osteichthyes - Monaco Nature Encyclopedia
Mar 19, 2025 · More commonly called Bony fishes, they represent a class of vertebrates equipped with jaws (Gnathostomata) to which are attributed forms that characterize for having a completely ossified …
Bony fish | Definition, Characteristics, Examples, & Facts - Britannica
bony fish, (superclass Osteichthyes), any member of the superclass Osteichthyes, a group made up of the classes Sarcopterygii (lobe-finned fishes) and Actinopterygii (ray-finned fishes) in the subphylum …
Osteichthyes - Fernbank Science Center
Class Osteichthyes (the bony fish) is the largest class of vertebrates with over 20,000 species. The total numbers of fishes exceed that of all other kinds of vertebrates combined. This is not surprising …
Osteichthyes: Definition, Classification, Characteristics, Examples
Aug 14, 2025 · The Osteichthyes commonly known as bony fishes is the largest and most diverse class of vertebrates on Earth involving over 30,000 species. These fish possess jaws, differentiating them …
Palaeos Vertebrates Osteichthyes: Osteichthyes
In osteichthyans, the circulatory system actually invades the cartilaginous matrix. This permits the local osteoblasts to continue bone formation within the cartilage and also recruits additional, circulating …
Osteichthyes - Bony Fish | Wildlife Journal Junior
They have paired pectoral and pelvic fins, and all but a few species have bones in their fins. They also have dorsal, anal, and caudal fins. Bony fish also have an operculum. The operculum is a bony flap …
Osteichthyes - an overview | ScienceDirect Topics
Osteichthyes is defined as the most recent common ancestor of Actinopterygii and Sarcopterygii, and all of that ancestor's descendants. Osteichthyes is diagnosed by the presence of lungs (see below) and …