ammonoid

ammonoid

1. CARBONIFEROUS AMMONOID ZONES FROM ZHONGNING AND ZHONGWEI, NINGXIA REGION, CHINA

宁夏卫宁地区石炭纪菊石带

2. EARLY TRIASSIC AMMONOID SUCCESSION IN CHAOHU, ANHUI PROVINCE

安徽巢湖地区早三叠世菊石序列

3. NEW PROGRESS IN THE STUDY ON PERMIAN AMMONOID BIOSTRATIGRAPHY IN GUANGXI

广西二叠纪菊石生物地层学研究新进展

4. The Cenozoic faunas often superficially resembled those of the Mesozoic. However, there were no ammonoid cepbalopods in this most recent era.

新生代的动物群表面上类似于中生代的动物群，但新生代没有菊石头足纲动物

5. ammonoid fossil

菊石化石

6. PERMIAN AMMONOID Shouchangoceras BEARING MARINE FAUNA FROM THE LOWEST WULINSHAN FORMATION IN QIANSHAN COUNTY, NORTH EAST JIANGXI

赣东北铅山县二叠纪雾霖山组底部含Shouchangoceras的海相动物群的发现