Nomenclature of Cambrian epochs and series based on GSSPs-Comments on an alternative proposal by Rowland and Hicks

• 来源期刊: 幕-国际地学杂志（英文版）
• 年，卷（期）: 2006,（2）
• 页码范围: 130-132
• 页数: 3页
• 语种: 英文

摘要

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.