Evolutionary stasis is fairly common at the higher levels of the Linnaean system of biological classification (class, order and family).
在林耐生物分类(类,属和门)系统的高等类别中进化停滞现象是相当普遍的。
英语百科
Linnaean taxonomy
Linnaean taxonomy can mean either of two related concepts:
Linnaean name also has two meanings: depending on the context, it may either refer to a formal name given by Linnaeus (personally), such as Giraffa camelopardalis Linnaeus, 1758, or a formal name in the accepted nomenclature (as opposed to a modernistic clade name).