growth Line

The surface of the shell is smooth with clear growth lines.

Growth lines run horizontally over the surface of the shell.

The growth lines are leaning forward with respect to the direction of the cone.

The only ornaments on the valves appear to be growth lines.

The growth lines of the bones indicate that the specimen was perhaps five to six years old.

The valves are quite thick and show fine wrinkled growth lines.

The nucleus is smooth or marked only by faint growth lines.

They grew by the addition of new material at their base, on the cavity side, leaving growth lines.

Were the growth lines of a created shell intended to deceive?

All over the spire are very fine growth lines.

It is thin walled with many curved growth lines on the sides.

It takes extra effort to produce new businesses that will make a dent on the revenue growth line.

The surface is covered with numerous longitudinal ridges and fine growth lines.

They are somewhat glossy and show no sculpture except a few microscopic growth lines.

Sculpture is comparatively uniform in character, being composed of fine growth lines.

The annual growth lines can be seen clearly.

When conditions improve again and the mantle resumes its task, a "growth line" is produced.

The prodissoconch is often but not always smooth, and has no growth lines.

Many are covered with fine growth lines but are usually without ribbing.

The shell has fine growth lines, and has only 3 whorls.

Concentric growth lines are mostly present, and very often produce prominent ridges.

It is a little plicated within by the prominent growth lines.

The researchers counted growth lines in the limb and foot bones to determine ages at death.

Trees provided shade for much of our ride; wildflowers and other growth lined the route.

The shell is surface smooth, covered merely by growth lines which form two salients.