2.and a little uneven distribution of several groups, both of predatory and omnivory animal competes food and space resources, cause group number of soil animal decreases progressively incompletely;
类群数分布稍微不均匀,杂性和捕性动物之间相互物和空间资源,导致土壤动物类群数不递减;
3.Ovary incompletely (3 or)4-loculed, with 1 pendulous ovule per locule (if 2, then 1 aborting early), (6-)8-ribbed, ornamented, mid-sepaline ribs less distinctly raised than others;