WebFeb 16, 2024 · Chordata - This phylum is probably one of the most familiar to us. We are included in the Phylum Chordata, which includes all animals with a nerve cord (called a … Web7. The spiral valve is present in the intestine. 8. The swim-bladder is absent. 9. The heart possesses a contractile conus arteriosus with rows of valves. 10. The respiratory organs comprise of five to seven pairs of gills. Each gill is placed in a separate cleft.
Date: May 1, 2003 Calculator: Elisabeth Harrahy, Ph.D.
WebAug 13, 2024 · By. Jennifer Kennedy. Updated on August 13, 2024. Cartilaginous fish are fish that have a skeleton made of cartilage, rather than bone. All sharks, skates, and rays (e.g., the southern stingray) are … WebList of animal phyla is a list of the major groups of animals usually classified as a phylum.Modern sources have been used: the list is different from that of Linnaeus or Cuvier.A list of this type may be arranged alphabetically; equally it might be arranged according to evolutionary relationships. dvm switch
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WebPHYLUM Chordata: possess a notochord (s lim and flexible rod that supports the body) at some point in their lives SUBPHYLUM Vertebrata: possess vertebral column of backbone. SUPERCLASS Agnatha: Jawless vert ebrates (all are fish) . SUPERCLASS Gnathostomata: Vertebrates with jaws, including fish. CLASS Chondrichthyes: … WebVirginia Fishes. As the Virginia Living Museum's Aquarium Curator, Stacey Murray-Rester and her team of aquarists oversee the indoor aquatic habitats and aquatic program … WebMar 11, 2024 · hagfish, also called slime eel, any of about 70 species of marine vertebrates placed with the lampreys in the superclass Agnatha. Although most classifications place all hagfishes in the family Myxinidae, they are sometimes divided into two families: Myxinidae, represented in every ocean, and Eptatretidae, represented everywhere but the North … crystal buffet hibachi \\u0026 grill