- have s****
cemented to a substrate. S**** are
considered brittle,
inequivalve, with the left,
lower (cemented)
valve convex and the
right (upper, non-cemented)...
- the
early Paleocene, with a
worldwide distribution.
Neithia sp. are
inequivalve. That
means that the two
valves are not the same shape, the
right valve...
-
symmetrical except for the ears on
either side of the umbo. They are solid,
inequivalve and inequilateral. They have 25 to 35 ribs
radiating from the umbo bearing...
- be equivalved; if the
valves vary from each
other in size or shape,
inequivalved. If
symmetrical front-to-back, the
valves are said to be equilateral...
- 'Spondulix' is conchological. The
spondylus (from Gr**** spondulos,) is a s****
inequivalve ..." for example, see
Archaeology in Bulgaria, 2007-2009 by Ivo D. Cholakov...
- to 100mm, and the periostra**** is dark brown. Its
shape is
slightly inequivalve,
oblong and large. It
consists of 30–38
curved radial ribs
which increase...
- dark to
light purple, and it is a thick,
strongly ribbed, and
slightly inequivalve s****. The s****
inside is porcelaneous,
usually purplish-brown or whitish...
-
corbuloides Deshayes, 1830. The
ovate s**** is oblong, transverse, very
inequivalve,
inequilateral and very much inflated,. It
ismarked with
irregular lines...
-
bivalve molluscs in the
order Anomalodesmata.
Members of this
family have
inequivalve,
oblong valves that are
nearly equilateral. The
right valve is more convex...
-
oysters with s****
measuring up to 30 cm. The s**** are
usually brittle,
inequivalve, with a left
convex valve cemented to a substrate,
while the
right non-cemented...
