Definition of Anaptychus. Meaning of Anaptychus. Synonyms of Anaptychus

Here you will find one or more explanations in English for the word Anaptychus. Also in the bottom left of the page several parts of wikipedia pages related to the word Anaptychus and, of course, Anaptychus synonyms and on the right images related to the word Anaptychus.

Definition of Anaptychus

Anaptychus
Anaptychus An*ap"ty*chus, n.; pl. Anaptichi. [NL., fr. Gr. ? unfolding; ? back + ? to fold.] (Paleon.) One of a pair of shelly plates found in some cephalopods, as the ammonites.

Meaning of Anaptychus from wikipedia

- collectively termed the aptychus or aptychi in the case of a pair of plates, and anaptychus in the case of a single plate. The paired aptychi were symmetric to one...
- When only a single plate is present, as is sometimes the case, the term "anaptychus" is used. Aptychi seem to have most often existed as bilaterally-symmetrical...
- thorn-like endings. Aptychi are single valved and concentrically striated (Anaptychus) The Lytoceratina, which constitute a suborder within the Ammonitida,...
- †Amplexopora †Amplexopora pustulosa †Amplexopora robustaAnaptychustentative reportAnaptychus emersoni †Anartiocystis †Anartiocystis foerstei †Anaspyroceras...
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