WebJan 30, 2024 · The phylum group is then divided into even smaller groups, known as animal classes. The Chordata phylum splits into these seven animal classes: Agnatha (jaw-less fish) – Primitive jawless fish including lampreys, hagfishes, and extinct groups. … WebJul 14, 2024 · The third major group of fish is the Osteichthyes or the true bony fish, which is divided into two classes. The first class is the more primitive of the two classes and is called the Sarcopterygii. This class …
biological classification - Students Britannica Kids
WebAnimals of the Phylum Chordata have an internal skeleton and a backbone or notochord (a primitive backbone). Fish, amphibians, reptiles, birds, and mammals (including humans) are in this group. (See also vertebrate.) … WebEuteleostomi: sounds (709) Class Actinopterygii ray-finned fishes. Actinopterygii: information (1) Actinopterygii: pictures (1173) Actinopterygii: specimens (21) Order Perciformes. Perciformes: pictures (448) Perciformes: specimens (5) Family Cichlidae … howard brothers hardware
Fish - Wikipedia
WebDec 3, 2024 · While four of the classes that belong to the phylum Cnidaria are often considered as jellyfish, true jellyfish belong to the class Scyphozoa. Jellyfish are found in all oceans across the world, from tropical waters to the cold waters of the Arctic ocean, and have existed on Earth for billions of years – since before the time of the dinosaurs! WebPhylum follows Kingdoms and has many different organisms, including three examples below: Chordata, which have backbones; ... Fish; Reptiles; Order follows class and as an example, mammals can be ... WebMar 31, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and … Class Actinopterygii (ray-finned fishes), in existence since the Early Devonian, is … Fish are a kind of animal that lives in water. Fish have lived on Earth for more than … lungfish, (subclass Dipnoi), any member of a group of six species of living air … bony fish, (superclass Osteichthyes), any member of the superclass Osteichthyes, … mosquito, (family Culicidae), any of approximately 3,500 species of familiar … Ken Hammond/U.S. Department of Agriculture. The word fish is often used … shark, any of numerous species of cartilaginous fishes of predatory habit … reptile, any member of the class Reptilia, the group of air-breathing vertebrates … amphibian, (class Amphibia), any member of the group of vertebrate animals … skate, (order Rajiformes), in zoology, any of numerous flat-bodied cartilaginous … how many hymns did john newton write