-
unusual "hammer-shaped"
outline of the valves. The s**** are
nearly equivalved, but the
hinge line is
extremely long and is at
nearly a
right angle to...
-
inside and the outside. The
valves are
symmetrical with one
another (
equivalve). The
basic color of the
surface usually is
creamy white,
mottled with...
- However, as many
scallop s**** are more or less
bilaterally symmetrical ("
equivalved"), as well as
symmetrical front/back ("equilateral"),
determining which...
- the
hinge line — when
truly symmetrical, such an
animal is said to be
equivalved; if the
valves vary from each
other in size or shape, inequivalved. If...
-
Acanthocardia tuberculata can
reach a size of
about 95 mm. This s**** is robust,
equivalve,
inflated and
slightly inequilateral, with
crenulated margins. The surface...
-
family has a
common name.
Valves of
these animals are fragile,
either equivalved or
nearly so,
small to medium-sized, and are
described as subcircular...
- 50–115 mm. This s**** is robust,
broadly oval, with a heart-shaped profile,
equivalve and inflated, with
crenulated margins. The
surface shows 20-22 prominent...
-
razor clam in the
family Pharidae. The species' s**** is oblong, small,
equivalve, inequilateral, with
anterior end rounded,
posterior end truncated. It...
- sediment. The s**** of
these mussels are
variable in shape, but
usually equivalve and elongate. They have solid,
nacreous valves with a
pearly interior...
-
mussels have a dark
brown or yellowish-green periostra****. The s**** are
equivalve,
inequilateral and oval-shaped, with a
rounded anterior margin and a truncated...