Lecture 4 - Jawless Vertebrates.figures.pptx - Phylogeny so...

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Phylogeny so far Chordata Deuterostomes Ambulacraria Echinoderms Hemichordates Cephalochordata Urochordata Vertebrata Protostomes Bilateria
(Extant) Vertebrate Phylogeny Cyclostomata Vertebrata Gnathostomata Chondrichthyes Osteichthyes Petromyzontiformes Myxiniformes Urochordata
Gulf of Maine: pop. density ≈ 50,000/km 2 See supplemental videos
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Juvenile with undeveloped mouthparts.
Cyclostomata Vertebrata Gnathostomata Chondrichthyes Osteichthyes Petromyzontiformes Myxiniformes Urochordata
Agnathan: no jaws, no paired fins

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