28-II PROTOSTOMIA Classification	Select Chapter/Biodiversity TreeHomeBiodiversity Tree1. Physics2. Chemistry3. Astronomy4. Geology5. Cell Structure6. Molecular Biology7. Photosynthesis and Respiration8. Molecular Genetics9. Mitosis and Meiosis10. Mendelian Genetics11. Populations12. Communities13. Ecosystems14. Evidence of Evolution15. Theory and Process of Evolution16. Classification Systems17. Prokaryotes18. Eukaryota19. Viridiplantae (Plants)20. Embryophyta21. Tracheophyta22. Spermatophyta23. Magnoliophyta24. Fungi25. Metazoa (Animals)26. Eumetazoa27. Bilateria28. Coelomata29. Arthropoda30. Insecta31. Deuterostomia32. Chordata33. Vertebrata34. Teleostomi35. Tetrapoda36. Sauroposida37. Aves38. Mammals39. Western/Coniferous Forests40. Taiga (Northern Forests)41. Eastern/Deciduous Forests42. Tropical Forests43. Deserts44. Polar Environments45. Tundra46. Grasslands47. Wetlands48. Freshwater Environments49. Estuaries50. Marine Environments51. Extreme Environments
	Rotifers, such as these (Philodina sp.), are in the phylum Rotifera, one of many phyla to be experienced in this chapter. [© Malcolm Storey] Chapter Outline Description of Protostomia Classification of Protostomia Lophotrochozoa Annelida Mollusca Gnathifera Ecdysozoa Panarthropoda Sources Links to external sites will appear in pop-up windows.			Protostomia contains a lot of organisms in a lot of different phyla. The main split within Protostomia is between Spiralia and Ecdysozoa. Protostomia Spiralia Lophotrochozoa (28-III) Mesozoa Dicyemida - Rhombozoans Orthonectida - Orthonectids Platyhelminthes - Flatworms Nemertea - Ribbon Worms Annelida - Segmented Worms (28-IV) Phoronida - Horseshoe Worms Brachiopoda - Lampshells Mollusca - Molluscs (28-V) Bryozoa - Bryozoans Entoprocta - Entoprocts Cycliophora - Symbion pandora Gastrotricha - Gastrotrichs Acanthocephala - Thorny-Headed Worms Gnathifera (28-VI) Rotifera - Rotifers Gnathostomulida Micrognathozoa Chaetognatha - Arrow Worms Ecdysozoa (28-VII) Nematoda - Roundworms Nematomorpha - Horsehair Worms Scalidophora Kinorhyncha - Spiny-Headed Worms Loricifera - Loriciferans Priapulida - Priapulid Worms Panarthropoda (28-VIII) Tardigrada - Tardigrades (Water Bears) Onychophora - Velvet Worms Arthropoda (Ch. 29) >>> (Arthropods) [ Previous Page ] [ Next Page ]