Flex isn't entirely about the bivalve.
The bivalve digestive system comprises a complex stomach and associated structures but an otherwise simple intestine.
The bivalve shell is made of calcium carbonate embedded in an organic matrix secreted by the mantle.
The limestones bear the bivalve Gryphaea arcuata and other fossils that correlate to the biozone of the ammonite Psiloceras planorbis.
Waitrose has launched a bizarre offering for vegetarians – its new 'oyster leaf', a vegetable (used by Ferran Adrià) that tastes remarkably like the bivalve.
One hides a mess of long-stewed beef and oysters, cooked down to a tangle of animal with the sweet, happy funk of the bivalve.
Although the bivalve lineages Dr Jablonski studied spread out from the equator in waves, they did not become extinct in the wake of these waves.
The bivalve foot, unlike that of gastropods, does not have a flat creeping sole but is bladelike (laterally compressed) and pointed for digging.
The bivalve body comprises a dorsal visceral mass and a ventral foot, which is enclosed within a thin mantle, or pallium.
The Mississippi and St. Lawrence river basins were home to 297 North American species of the bivalve mollusk families Unionidae and Margaritiferidae.
Compound eyes appear to have evolved once or several times in the crustaceans and insects, in the bivalve mollusks (genus Arca), and in the annelid worms (genus Branchiomma).
