Myoida is an order of saltwater clams, marine bivalve molluscs in the subclass Heterodonta. The order includes such bivalves as soft-shell clams, geoducks, and shipworms. These are burrowing molluscs, with well-developed siphons. The shell is relatively soft, and lacks a nacreous layer. Some species have a single cardinal tooth. ==Superfamilies an...
Found on
http://en.wikipedia.org/wiki/Myoida
(from the article `bivalve`) ...estuarine and freshwater; includes the poorly known miniature commensals and parasites; widely divergent, accounting for 50 percent of the extant ...
Found on
http://www.britannica.com/eb/a-z/m/147
No exact match found.
