WebJun 8, 2024 · As chordates, all vertebrates have a similar anatomy and morphology with the same qualifying characteristics: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. However, the subphylum Vertebrata is distinguished from the phylum Chordata by the development of the notochord into a bony backbone. WebDec 27, 2012 · Grogan and Lund (2004) define the two synapomorphies of the Chondrichthyes as: having skeletons of cartilage and having pelvic fins in the males modified as claspers. In addition, most sharks, rays, and chimeras have a heterocercal tail, large pectoral fins, relatively small pelvic fins, and an obvious first dorsal fin.
Class Chondrichthyes - Cartilaginous Fish - Untamed Science
WebApr 9, 2024 · Respiration in Chondrichthyes Cartilaginous fish characteristics of breathing vary from species to species. Usually, sharks breathe through opening the mouth, while expanding the mouth throat cavity and by contracting the gill pouches to close the gill slits. WebNov 2, 2024 · Other shared characteristics of Osteichthyes include skin with mucous glands, dermal scales, paired fins, and jaws with teeth. Osteichthyes Subclasses Osteichthyes are divided into two subclasses ... free attendance policy samples
Chondichthyes - Fernbank Science Center
WebSep 14, 2011 · Class Chondrichthyes “ Cartilaginous Fish” Kingdom: Animalia Phylum: Chordata Sub Phylum: Verterbrata Class: Chondrichthyes WebClasses of fish (Agnatha, Chondrichthyes, and Osteichthyes) No Prep Warm Ups, Bell Ringers, and Inserts for Interactive Notebooks. These warm ups cover the characteristics and classification of chordates and vertebrates, the vertebrate body systems, the three classes of fish (Agnatha, Chondrichthyes, Osteichthyes), fish anatomy, and more!No … WebMay 11, 2024 · Chondrichthyes The class Chondrichthyes consists of the cartilaginous fishes, including sharks, batoids (rays, skates, guitarfish, and sawfishes), and ... Cartilaginous fish are divided into two subclasses on the basis of gill slits and other characteristics. The first is the Elasmobranchs, which have at least five gill slits and gills … free att entertainment channel with dish