Vertebrates: Fish 0.0 / 5 ? BiologyFishUniversityNone Created by: ppogbaCreated on: 13-07-19 18:07 Name the 2 Superclasses in the Vertebrates? What do each mean? Superclass Agnatha ("without jaws") and Superclass Gnathostoma ("jaw-mouth") 1 of 11 What are the Ancient Agnatha known as? Ostracoderms ("shell-skinned") 2 of 11 What 2 animals are found in the Modern Agnatha? how many species? Hagfish and Lampreys. 60 species. 3 of 11 Give 2 features of Superclass Gnathostoma. jaws and 2 pairs of appendages. 4 of 11 What is the extinct class of animals from Superclass Gnathostoma? Class Placodermii ("plate-skinned") 5 of 11 Class Chondrichthyes is also part of Superclass Gnathostoma. What animals are found here and how many species? Cartilaginous fishes (sharks, rays). 750 species. 6 of 11 What group in the Vertebrates include bony fishes? How many species? Osteichthyes. 30,000 species. 7 of 11 Name the 3 classes of the Osteichthyes? Class Actinistia, Class Dipnoi, Class Actinopterygii. 8 of 11 What animals are found in Class Actinistia? Give the only living species in this class? Lobe-finned fish. Coelocanth 9 of 11 What class are lungfish found in? Class Dipnoi. 10 of 11 What animals are found in Class Actinopterygii? Ray-finned fish. 11 of 11
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