- 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...
-
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...
-
distinguished by
having the two
halves of the s****
equally sized (i.e, they are
equivalved) and
having a few
cardinal teeth separated from a
number of long lateral...
-
Philobryidae is a
taxonomic family of very
small equivalved triangular sal****er clams,
marine bivalve molluscs,
related to the ark
clams and the bittersweets...
-
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...
- sediment. The s**** of
these mussels are
variable in shape, but
usually equivalve and elongate. They have solid,
nacreous valves with a
pearly interior...
- the
superfamily Cyamioidea.
Sportellidae s**** are of
moderate size,
equivalve and with an
external ligament set on
small nymphs. The
hinge has one or...
-
Acanthocardia tuberculata can
reach a size of
about 95 mm. This s**** is robust,
equivalve,
inflated and
slightly inequilateral, with
crenulated margins. The surface...
-
inside and the outside. The
valves are
symmetrical with one
another (
equivalve). The
basic color of the
surface usually is
creamy white,
mottled with...
