掌状藻属

哈德掌状藻PalmeriahardmanianaGreville,1865(图34)abcd图34哈德掌状藻PalmeriahardmanianaGreville,1865a.壳面观(valveview);b,c.环面观(girdleview);d.壳面中央花纹(centerareolaofvalve)同种异名:哈氏半盘藻Hemidiscushardmannianus(Greville)Mann,1907藻体细胞近半球形,壳面半 ......（本文共 288 字 , 4 张图）     [阅读本文] >>