@Lecture17_9

@Lecture17_9 - 1 1 Fall 2009 GEL 107 Lecture 17...

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Unformatted text preview: 1 1 Fall 2009, GEL 107: Lecture 17 PALEOBIOLOGY 2 “Fish” 3 How are living “fish” grouped? Where do we belong in the tree of “fish”? What features of ours evolved in “fish”? What are the major extinct groups of “fish”? What features of ours evolved in what “fish”? Are “eels” basal (or primitive)? Questions 4 bony (Osteichthyes) cartilaginous (Chondrichthyes) others 5 Hagfish (Hyperotreti) 6 Lamprey (Hyperoartia) 7 8 9 Myllokunmingia Haikouichthys Chengjiang Fauna (Early Cambrian) 2 10 others bony (Osteichthyes) cartilaginous (Chondrichthyes) 11 Chondrichthyes chimeras rays & skates sharks dogfish 12 others bony (Osteichthyes) cartilaginous (Chondrichthyes) 13 others bony (Osteichthyes) rayfin (Actinopterygii) cartilaginous lobefin (Sarcopterygii) 14 coelacanth Sarcopterygii 15 Sarcopterygii lungfish 16 others bony (Osteichthyes) rayfin (Actinopterygii) cartilaginous lobefin (Sarcopterygii) 17 How are living “fish” grouped? Where do we belong in the tree of “fish”? What features of ours evolved in “fish”? What are the major extinct groups of “fish”? What features of ours evolved in what “fish”? Are “eels” basal (or primitive)? Questions 18 Hagfish (Hyperotreti) 3 19 Lamprey (Hyperoartia) 20 True eels 21 Muraenidae Anguilliformes Moary eels 22 Congridae Anguilliformes Conger eels 23 Hailtail 24 Anarhichadidae Perciformes Wolf eels 25 Zoarcidae Perciformes Eelpouts 26 lungfish 27 How are living “fish” grouped? Where do we belong in the tree of “fish”?...
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This note was uploaded on 11/22/2009 for the course GEL 107 taught by Professor Motani during the Fall '08 term at UC Davis.

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@Lecture17_9 - 1 1 Fall 2009 GEL 107 Lecture 17...

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