These invertebrate fossils also allowed accurate dating of the remains.

The room now houses more than 80,000 maps and a collection of invertebrate fossils.

Fractured oil shale plates on the shore contain invertebrate fossils 455 million years old.

The invertebrate fossils of Maryland are similar to those of neighboring Delaware.

A few invertebrate fossils are also present.

Geologically recent invertebrate fossils are also known from Alaska.

The larger invertebrate fossils of the Navarro group of Texas.

No group of invertebrate fossils has received more study, or stands higher in general popularity, than trilobites.

It contains many invertebrate fossils, such as brachiopods and abundant corals.

As a young man, he began collecting Paleozoic invertebrate fossils near his Iowa home.