A fossil cephalopod having a shell of a hooked shape.
| 单词 | θ33300 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > family Ammonitidae > member of (5) hamite1831 A fossil cephalopod having a shell of a hooked shape. ceratite1847 A fossil Cephalopod, with a discoidal shell having lobed sutures, with the lobes oviculated. ammonoid1884 A fossil cephalopod of the order Ammonoidea, comprising the ammonites and related genera. Subcategories:— sphaerocone (1) — calcareous plate (1) |
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