27-III BILATERIA Xenacoelomorpha	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
	Planarian [© Solà, Eduard] Chapter Outline Description of Bilateria Classification of Bilateria Xenacoelomorpha Sources Links to external sites will appear in pop-up windows.			This is the phylum of Xenoturbellids and allies. As of 2024, 5 species of Xenacoelomorpha have been observed in iNaturalist in the US and 13 throughout the world. SUBPHYLUM ACOELOMORPHA ORDER ACOELA FAMILY SAGITTIFERIDAE Mint Sauce Worm (Symsagittifera roscoffensis) - most iNat observations in the world for Xenacoelomorpha FAMILY CONVOLUTIDAE Worm (Polychoerus carmelensis) - most iNat observations in the US for Xenacoelomorpha - 7 (Monterey Bay) SUBPHYLUM XENOTURBELLIDA Links: [ Previous Page ] [ Next Page ]