21. Soccer's governing body plans to introduce a system of rotating the World Cup among continents. 22. The chiselmouth's body plan generally follows the standard cyprinid form, generally elongated and slightly compressed. 23. All three sponge body plans are represented within class Calcarea : asconoid, syconoid, and leuconoid. 24. Fish have a variety of different body plans . 25. Such a body plan would allow for great maneuverability, but at the cost of speedy cruising. 26. This chub generally follows the cyprinid body plan . 27. In general, sea turtles have a more fusiform body plan than their terrestrial or freshwater counterparts. 28. They possess the typical shark lamniform body plan and have been mistaken for great white sharks. 29. This accords with the fact that " Polypodium " possesses nematocysts and a cnidarian-like body plan . 30. Gould argues that the Burgess Shale fauna demonstrate both diversity of species and disparity of body plans .