请输入您要查询的英文单词:

 

单词 goniatite
释义

goniatite

/ˈɡəʊnɪətʌɪt /
noun
An ammonoid fossil of an early type found chiefly in the Devonian and Carboniferous periods, typically with simple angular suture lines. Compare with ammonite and ceratite.
  • Typified by the genus Goniatites, order Goniatitida.
Early ammonoids or goniatites may have simple zig-zag sutures, but they become increasingly complex from the Triassic to the Cretaceous....
  • The taxonomically diverse goniatites dominated the Carboniferous-Permian ammonoid fauna.
  • Carboniferous goniatites as a group appear to be relatively cosmopolitan.

Origin

Mid 19th century: from modern Latin Goniatites, from Greek gōnia 'angle'.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 10:36:24