Asiphonida definitions

Asiphonida

• (n. pl.) A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks.
Found on http://thinkexist.com/dictionary/meaning/asiphonida/

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asiphonida

<marine biology> A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks. ... Origin: NL, fr. Gr. Priv. + a tube. ... (19 Mar 1998) ...
Found on http://www.encyclo.co.uk/local/20973

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