b ba bb bc bd be bf bg bh bi bk bl bm bn bo bp br bs bt bu bw bx by

Перевод: bivalve

[прилагательное]
двустворчатый;
[существительное]
двустворчатый моллюск

Тезаурус:

1. 15 Carboniferous bivalve, Aviculopecten planoradiatus , Derbyshire, England.
2. 14 Trigoniid bivalve, Scabrotrigonia thoracica , Cretaceous, Tennessee.
3. The greatest armour in the world of molluscs is found on the giant clam (opposite), a bivalve whose shell weighs ton and is over 4 feet in length.
4. Most bivalve fossils are a few centimetres long; the ideal size for collecting.
5. Right Burrowing bivalve mollusc in life position; the siphons retain contact with the surface
6. Of the two, the bivalve molluscs are much the most significant in the sea today.
7. It has been suggested that their slow decline in the last I00 million years or so has been caused by the commensurate rise in diversity of filter-feeding bivalve molluscs, which ousted them from their former habitats.
8. Unlike the brachiopods, many of the modes of life of living bivalve molluscs can be more or less directly matched in fossil examples.
9. Tellin bivalve, Tellinella rostralis .
10. If danger threatens powerful muscles can snap the valves tightly shut, and once a bivalve has closed itself in this way it can be very difficult to force it open - it has "clammed" up.
11. A huge variety of bivalve molluscs such as clams, and many bottom-dwelling worms, bury themselves in the mud, while others are attached to rock.
12. Brachiopod ( left ) and bivalve mollusc ( right ) compared, showing difference in symmetry when viewed sideways, reflecting fundamental internal distinctions
13. Filter feeders, like the hard-shelled clam ( Mercenaria mercenaria - no reflection on the noble character and taste of this self-sufficient bivalve), are especially vulnerable.