Some of the lamellibranchiate shells have both valves united, although mixed with land and freshwater testacea, and with the bones and teeth of elephant, rhinoceros, horse, and deer.
It seems that comparatively few of the gasteropods and lamellibranchiate bivalves of North America can be identified specifically with European fossils, while no less than two-fifths of the brachiopoda are the same.
Among the peculiar lamellibranchiate bivalves, also common to Devonshire and the Eifel, we find Megalodon cucullatus (fig.
No less than forty species of lamellibranchiate molluscs, with double valves, have been collected by Mr. Bell from the various localities of the Red Crag.
Among the peculiarlamellibranchiate bivalves common to the Plymouth limestone of Devonshire and the Continent, we find the Megalodon (Figure 517).
The number of mollusca known in this deposit is about seventy; namely, fifty Lamellibranchiate Bivalves, ten Brachiopods, three Gasteropods, and seven or eight Cephalopods.
As a rule, the lamellibranchiate molluscs have both valves united, and many of them, such as Mya arenaria, stand with the siphonal end upward, as when in a living state.
As usual in Palaeozoic strata older than the coal, the brachiopodous mollusca greatly outnumber the lamellibranchiate (see below); but the latter are by no means unrepresented.
These coloured bands are also preserved in several lamellibranchiate bivalves, as in Aviculopecten (Figure 485), in which dark stripes alternate with a light ground.
As an example of a marine Lamellibranchiate I may take Cardium pygmaeum, the development of which has been studied by Loven (No.
The animal is in its organisation among the lowest and simplest of lamellibranchiate molluscs.
The oyster is a genus of lamellibranchiate molluscs of the section with a single adductor muscle.
Turn now to the Bivalves or Lamellibranchiate molluscs, which include the familiar oyster, cockle, and mussel.
They are crowded with pteropod shells, and contain also small gasteropod and lamellibranchiate shells together with tests of foraminifera both microscopic and macroscopic.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "lamellibranchiate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
