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Hasil cari dari kata atau frase: aptychus (0.00734 detik)
Found 1 items, similar to aptychus.
English → English (gcide)
Definition: Aptychus
Aptychus
\Ap"ty*chus\, n. [NL., fr. Gr. 'a priv. + ?, ?, fold.]
(Zo["o]l.)
A shelly plate found in the terminal chambers of ammonite
shells. Some authors consider them to be jaws; others,
opercula.
[1913 Webster] ||
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