,Nomenclature of Cambrian epochs and series based on GSSPs-Comments on an alternative proposal by Ro

• 作 者: Shanchi Peng Loren E. Babcock Gerd Geyer Malgorzata Moczydlowska
• 机 构: State Key Laboratory on Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontolo
• 出 处: 幕-国际地学杂志（英文版）
• 发表日期: 2006年2期

In this issue, Rowland & Hicks advocate a nomenclature for the four epochs of the Cambrian Period that carries over the terms Early, Middle, and Late Cambrian from previous usage (but with new definitions) and introduces a non-geographically-based term, Ichnocambrian, for the earliest Cambrian epoch.