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CLASSES OF PHYLUM CHORDATA

CLASSES OF PHYLUM CHORDATA. By: Emma S Britton C. Cephalaspidomorphi. Top Picture American Brook Lamprey Lampetra appendix Bottom Picture Chestnut Lamprey Ichthyomyzon castaneus. Characteristics: Circular mouth has a sucking disk, no jaw, no paired fins, one nostril.

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CLASSES OF PHYLUM CHORDATA

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  1. CLASSES OF PHYLUM CHORDATA By: Emma S Britton C

  2. Cephalaspidomorphi Top Picture American Brook Lamprey Lampetra appendix Bottom Picture Chestnut Lamprey Ichthyomyzon castaneus Characteristics: Circular mouth has a sucking disk, no jaw, no paired fins, one nostril http://www.state.nj.us/dep/wmm/bfbm/fish/americanbrooklamprey.jpg http://www.kentuckyawake.org/templates/coolStuff/gallery.cfm?letter=L http://www.gen.umn.edu/research/fish/fishes/chestnut_lamprey.html

  3. Myxini Classification: Circular mouth has barbles, no jaw, no paired fins, one nostril, no eyes Top Picture Atlantic Hagfish Myxine glutinosa Bottom Picture Pacific hagfish Eptatretus stouti http://www.enature.com/fieldguide/showSpeciesGS.asp?curGroupID=3&curPageNum=1&recnum=FI0240 http://en.wikipedia.org/wiki/Hagfish

  4. Chondricthyes Characteristics: Skeleton made of cartilage, jaws, paired fins, paired nostrils, scales, 2-chambered heart http://elasmodiver.com/great%20hammerhead.htm Top Picture Great Hammerhead Sphyrna mokarran Bottom Picture Spotted Eagle Ray Aetobatus narinari http://elasmodiver.com/spotted_eagle_ray2.htm

  5. Osteichthyes Characteristics: Skeleton made of bone, jaws, fins, most with scales, 2-chambered heart Top Picture Red Grouper Epinephelus morio Bottom Picture Queen Angelfish Holacanthus ciliaris http://www.tateknik.se/hcweb/_photoalbums/2002/redsea/fishes/red_grouper.jpg http://www.uwphotographs.com/Curacao/pages/Queen_Angelfish.htm

  6. Amphibia Characteristics: Begin life in the water, gills replaced by lungs in the adult form, lay eggs, 3- chambered heart Top Picture Squirrel Treefrog Hyla squirella Bottom Picture Cuban Treefrog Osteopilus septentrionalis http://www.duke.edu/~cwcook/pix/squirreltreefrog2671.jpg http://sofia.usgs.gov/geer/2003/posters/herp_surveys/frog1x.jpg

  7. Reptilia Characteristics: Thick, scaly, or plate-like skin; ectothermic (cold blooded); embryo develops in the shell (young born live or hatch from egg); 4-chambered heart Top Picture American Alligator Alligator mississippiensis Bottom Picture Painted Turtle Chrysemys picta http://animaldiversity.ummz.umich.edu/site/resources/tanya_dewey/DSCN1300.JPG/view.html http://animaldiversity.ummz.umich.edu/site/resources/tanya_dewey/chrysemys.jpg/view.html

  8. Aves Characteristics: Outer covering of feathers, endothermic (warm blooded), have front limbs modified as wings, lay eggs, 4-chambered heart. http://naturephoto.akuter.com/site/waterfowls/0029_111_Birds_oiseau_snow_goose_chen_caerulescens_caerulescens_oie_des_neiges.jpg Top Picture Snow Goose Chen caerulescens Bottom Picture Northern Cardinal Cardinalis cardinalis http://envirosonic.cevl.msu.edu/NorthernCardinal.asp

  9. Mammalia Characteristics: Breath air, have hair at some stage of development, give live birth, mammary glands, endothermic (warm blooded), 4-chambered heart. Top Picture Giraffe Giraffa camelopardalis Bottom Picture Dog (Chihuahua) Caninum domesticus http://animaldiversity.ummz.umich.edu/site/resources/tricia_jones/giraffes_natzoo_pic00016.jpg/view.html http://www.chihuahua-info.com/resources/11/chihuahua-puppy-breeder.htmls

  10. BIBLIOGRAPHY • http://animaldiversity.ummz.umich.edu/site/resources/tanya_dewey/chrysemys.jpg/view.html • http://www.chihuahua-info.com/resources/11/chihuahua-puppy-breeder.htmls • http://envirosonic.cevl.msu.edu/NorthernCardinal.asp • http://naturephoto.akuter.com/site/waterfowls/0029_111_Birds_oiseau_snow_goose_chen_caerulescens_caerulescens_oie_des_neiges.jpg • http://animaldiversity.ummz.umich.edu/site/resources/tanya_dewey/DSCN1300.JPG/view.html • http://animaldiversity.ummz.umich.edu/site/resources/tanya_dewey/chrysemys.jpg/view.html

  11. BIBLIOGRAPHY (CONTINUED) • http://sofia.usgs.gov/geer/2003/posters/herp_surveys/frog1x.jpg • http://www.duke.edu/~cwcook/pix/squirreltreefrog2671.jpg • http://www.uwphotographs.com/Curacao/pages/Queen_Angelfish.htm • http://www.tateknik.se/hcweb/_photoalbums/2002/redsea/fishes/red_grouper.jpg • http://elasmodiver.com/spotted_eagle_ray2.htm • http://elasmodiver.com/great%20hammerhead.htm • http://en.wikipedia.org/wiki/Hagfish • http://www.enature.com/fieldguide/showSpeciesGS.asp?curGroupID=3&curPageNum=1&recnum=FI0240 • http://www.gen.umn.edu/research/fish/fishes/chestnut_lamprey.html • http://www.kentuckyawake.org/templates/coolStuff/gallery.cfm?letter=L • http://www.state.nj.us/dep/wmm/bfbm/fish/americanbrooklamprey.jpg

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