Значения термина bivalve shells на английском

Herbert ran to the beach and returned with two large bivalve shells.

The "dinner things" consisted now of large bivalve shells, which served for dishes or plates.

This sandstone combines angular fragments of gneiss, quartz, and chlorite, magnetical sand, madrepores, and petrified bivalve shells.

As a conchologist he was less favoured, and only found a sort of mussel and some bivalve shells.

These soft-bodied animals, with bivalve shells and two interior armlike processes which served for breathing, appeared in the Algonkian, and had now become very abundant.