vertebrate

Then in the Cambrian era, around 570 million years ago, recognizably complex animal life evolved, including vertebrate ancestors.

Some 28 percent of the vertebrate species red-listed by the International Union for Conservation of Nature live there.

It's so typical of everything we've seen of this semi-vertebrate.

Two other structures common to most of the vertebrate animals exist in man, though they render him little or no service.

It is a plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.

Plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.

The vertebrate animals deserve more of our attention than other forms of life because man himself is a vertebrate.

The illustration here given shows the effect of nicotine upon a fish, one of the vertebrate animals.