请输入您要查询的英文单词:

 

单词 macrochoanite
释义

macrochoaniten.

Brit. /ˌmakrəʊˈkəʊənʌɪt/, U.S. /ˈˌmækroʊˈkoʊəˌnaɪt/
Origin: A borrowing from Latin. Etymon: Latin Macrochoanites.
Etymology: < scientific Latin Macrochoanites (see quot. 1883) < macro- macro- comb. form + ancient Greek χοάνη funnel + scientific Latin -ites (see -ite suffix1 2a): compare choanite n.
Palaeontology. Now historical.
A fossil nautiloid of the former group Macrochoanites (of unspecified rank, more or less equivalent to the modern family Bactritidae), characterized by relatively long septal necks.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > family Nautilidae > member of > with each septal neck reaching preceding one
macrochoanite1883
1883 A. Hyatt in Proc. Boston Soc. Nat. Hist. 22 260 We, therefore, divide the Ellipochoanoida into the true Microchoanites,..and the Macrochoanites.
1964 C. Teichert in R. C. Moore Treat. Invertebr. Paleont. K. 95/1 Hyatt distinguished the Bactritidae as ‘Macrochoanites’.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
<
n.1883
随便看

 

英语词典包含1132095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 13:52:22