gryphaea

== English == === Etymology === Borrowed from translingual Gryphaea. === Noun === gryphaea (plural gryphaeas) (zoology) Any of the genus †Gryphaea of extinct gryphaeid oysters, devil's toenails. === References === Gryphaea on Wikipedia.Wikipedia Gryphaeinae on Wikispecies.Wikispecies Category:Gryphaea on Wikimedia Commons.Wikimedia Commons