11. "' Acoelomorpha "'is a subphylum of very simple and small marine or brackish waters. 12. Cavalier-Smith has proposed the new subphylum Varisulca which consists of the Classes Hilomonadea, Diphyllatea and Glissodiscea. 13. The members of this subphylum are very small and have no hard parts, making their fossils difficult to find. 14. This subphylum of brachiopod has an unsupported lophophore and is always attached to a hard substrate in the fossil record. 15. Most species of agarics are within orders of and describe the members of the order Agaricales in the subphylum Agaricomycotina. 16. It forms part of the Acoelomorpha subphylum , which is part of the Xenacoelomorpha phylum that is in the Animalia kingdom. 17. Members of this subphylum share stacks of postciliary microtubular ribbons associated with somatic kinetosomes, and called " postciliodesmata ". 18. Orthids are the oldest member of the subphylum Rhynchonelliformea, and is the order from which all other brachiopods of this group stem. 19. Planulae of the subphylum Medusozoa have no mouth or digestive tract and are unable to feed themselves, while those of Anthozoa can feed. 20. The name Uniramia was temporarily rejected as a polyphyletic group, but when used now refers to the subphylum consisting of the insects + myriapods.
