MAKE A MEME View Large Image Ammonite with aptychi retracting.PNG en tentative reconstruction of soft part anatomy of an ammonite and conceptual scheme of the aptychi function as both opercula and lower jaw After Lehmann 1967; 1972; 1975 and Dzik 1981 Text in italian ...
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Keywords: Ammonite with aptychi retracting.PNG en tentative reconstruction of soft part anatomy of an ammonite and conceptual scheme of the aptychi function as both opercula and lower jaw After Lehmann 1967; 1972; 1975 and Dzik 1981 Text in italian Own Antonov 01/02/2008 Ammonoidea morphology
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