请输入您要查询的英文单词:

 

单词 goniatite
释义

Definition of goniatite in English:

goniatite

nounˈɡəʊnɪətʌɪtˈɡōnēəˌtīt
  • An ammonoid fossil of an early type found chiefly in the Devonian and Carboniferous periods, typically with simple angular suture lines.

    Typified by the genus Goniatites, order Goniatitida

    Compare with ammonite and ceratite
    Example sentencesExamples
    • The richly fossiliferous Namurian bed is packed with both brachiopods and goniatites.
    • Good material showing sutures and growth line ornament are required for detailed determination of goniatites.
    • Carboniferous goniatites as a group appear to be relatively cosmopolitan.
    • The taxonomically diverse goniatites dominated the Carboniferous-Permian ammonoid fauna.
    • Early ammonoids or goniatites may have simple zig-zag sutures, but they become increasingly complex from the Triassic to the Cretaceous.

Origin

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

 
 

Definition of goniatite in US English:

goniatite

nounˈɡōnēəˌtīt
  • An ammonoid fossil of an early type found chiefly in the Devonian and Carboniferous periods, typically with simple angular suture lines.

    Typified by the genus Goniatites, order Goniatitida

    Compare with ammonite and ceratite
    Example sentencesExamples
    • Good material showing sutures and growth line ornament are required for detailed determination of goniatites.
    • Early ammonoids or goniatites may have simple zig-zag sutures, but they become increasingly complex from the Triassic to the Cretaceous.
    • Carboniferous goniatites as a group appear to be relatively cosmopolitan.
    • The taxonomically diverse goniatites dominated the Carboniferous-Permian ammonoid fauna.
    • The richly fossiliferous Namurian bed is packed with both brachiopods and goniatites.

Origin

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

 
 
随便看

 

英语词典包含464360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:2025/2/6 1:59:07