Home > Term: aptychus
aptychus
A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Γλώσσα
- Category: Dictionaries
- Company: MICRA Inc.
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- spencer12
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