x
uploads/chordata.jpg

chordata n.【動物;動物學】脊索動物類。

chordate

Amphioxus , an existing animal that belongs to the phylum chordata , subphyla cephalochordata , is always regarded as the invertebrates which is the nearest to the vertebrates . it has great sense on the research of how the vertebrates develop from invertebrates 長久以來,文昌魚一直被認為是現存的與脊椎動物親緣關系最近的無脊椎動物( stokeandholland , 1998 ; zhangetal . , 2001 ) ,在脊椎動物如何由無脊椎動物進化而來這一著名的生物學難題中占據重要的位置。

Peacocks are classified in the phylum chordata , subphylum vertebrata , class aves , order galliformes , family phasianidae 孔雀被認為是脊索動物類,脊索動物亞門,鳥類。

I couldn ' t find the traits to phylum chordata in the book 這本書上找不到門科,脊索動物類