Spisula

Spisula is a genus of medium-sized to large marine bivalve mollusks or clams in the family Mactridae, commonly known as surf clams. Species in the genus Spisula include: File:Spisula subtruncata.jpg|Spisula subtruncata ...
Found on http://en.wikipedia.org/wiki/Spisula

Spisula

(from the article `bivalve`) The burrowing Spisula illustrates these changes. It, like Nucula, is equivalve and anteriorly and posteriorly symmetrical (isomyarian). The mantle ...
Found on http://www.britannica.com/eb/a-z/s/142
No exact match found