“两栖纲”用英语怎么说？

结论爪鲵在两栖纲动物中属于较原始的种类.Conclusion Onychodactylus fischeri is a relatively primitive type in the amphibian.白颌大角蟾及其相关物种的分类探讨 ( 两栖纲: 锄足蟾科 )TAXONOMIC DISCUSSION OF MEGOPHRYS LATERALLS ( ANDERSON ) AND RELATED SPECIES ( AMPHIBIA...