-
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...
-
posterior margin and a
rounded ventral and
anterior margin. This
species is
equivalve. The
valves are
quite thick and show fine
wrinkled growth lines. This...
-
Acanthocardia tuberculata can
reach a size of
about 95 mm. This s**** is robust,
equivalve,
inflated and
slightly inequilateral, with
crenulated margins. The surface...
-
species name,
Cardium humanum). The
walls of the s**** are
quite thin,
equivalve, with a
light weight. The
outer surface usually is dark
brown or olive...
-
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...
- the
superfamily Cyamioidea.
Sportellidae s**** are of
moderate size,
equivalve and with an
external ligament set on
small nymphs. The
hinge has one or...
- of 60–95 mm. This s**** is robust,
round with a heart-shaped profile,
equivalve and inflated, with
crenulated margins. The
surface shows thick narrowly...
-
along 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...
- this
genus can
reach a size of
about 30
millimetres (1.2 in). They are
equivalve, symmetrical,
approximately triangular. The
surface has fine concentric...