Sponysedrion
Broschiertes Buch

Sponysedrion

Osteichthyes, Genus, Bony, Fish, Taxonomic, Cartilaginous, Skeleton

Herausgegeben: Eyvindr, Lennox Raphael
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sponysedrion is an extinct genus of prehistoric bony fish. Osteichthyes, also called bony fish, are a taxonomic group of fish that have bony, as opposed to cartilaginous, skeletons. The vast majority of fish are osteichthyes, which is an extremely diverse and abundant group consisting of over 29,000 species. It is the largest class of vertebrates in existence today. Osteichthyes is divided into the ray-finned fish (Actinopterygii) and lobe-finned fish (Sarcopterygii).