Assertion: soft shell clam's shell | /r/HasProperty | mya arenaria
Facets:
Source sentences:
text: The range of the soft-shell (Mya arenaria) extends along the eastern North America coastline from Canada to the U.S. Southeast.
text: Careful study of the soft shell (Mya arenaria) on the Atlantic coast has shown that a marketable size may be reached in two years, or, under favorable conditions, even less.