Agnatha
基本解释
- n.無顎類脊椎動物
英汉例句
- Any of various primitive eellike vertebrates of the class Agnatha,such as a lamprey,lacking jaws and true teeth and having a circular,sucking mouth.
圓口綱脊椎動物，一種類似鰻魚的無顎綱原始脊椎動物，如盲鰻，沒有下顎和真正的牙齒，而長著圓形吮吸的嘴。 - Any of various primitive eellike vertebrates of the class Agnatha, such as a lamprey, lacking jaws and true teeth and having a circular, sucking mouth.
圓口綱脊椎動物一種類似鰻魚的無顎綱原始脊椎動物，如盲鰻，沒有下顎和真正的牙齒，而長著圓形吮吸的嘴 - The Galeaspid is one major group of Agnatha in the Middle Paleozoic,and is mainly distributed in China and North Vietnam.
盔甲魚類是古生代中期化石無頜類的主要類群,其分佈主要限於我國境內以及越南北部。 - The Galeaspid is one major group of Agnatha in the Middle Paleozoic, and is mainly distributed in China and North Vietnam.
摘要盔甲魚類是古生代中期化石無頜類的主要類群，其分佈主要限於我國境內以及越南北部。 - A new form of Polybranchiaspids, Agnatha, Damaspis vartus gen. et sp. nov., was collected from the lower part of Cuifengshan formation (lower Devonian), Qujing district, Yunnan province.
本文記述了雲南曲靖早泥盆世翠峰山組西山村段多鰓魚類一新屬種;變異垻魚(Damaspis vartus gen.;et sp