Cosenn.科曾COSabbr.装货付款（=cash on shipment）Cosmarium angulosumn.具角鼓藻cosmopolite species世界种Cosmarium obsoletumn.模糊鼓藻cospun heather yarn共纺混色纱Coscinodiscus gigasn.巨圆筛藻Cosmarium depressumn.扁鼓藻Cosmarium portianumn.波特鼓藻cosingular complexs共奇线丛系Cosmarium reniformen.肾形鼓藻cosmopolitian plant世界植物