| 释义 |
ammonoid|ˈæmənɔɪd|
[f. mod.L. Ammonoidea, f. Ammōnītes ammonite: see -oid.]
A fossil cephalopod of the order Ammonoidea, comprising the ammonites and related genera.
1884A. Hyatt in Proc. Boston Soc. Nat. Hist. XXII. 303 The ventral sutures are interrupted by the funnels as in Ammonoids. 1889Nicholson & Lydekker Palæont. (ed. 3) I. 849 The septal ‘necks’ of the Ammonoids are variable in their development. 1912Brit. Museum Return 169 The collection of Austrian Triassic Ammonoids. |
